Russo-Ukrainian war (2022–present)
| Russo-Ukrainian war (2022–present) | |||||||
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| Part of the Russo-Ukrainian war | |||||||
 Map of Ukraine as of 24 April 2026[update] (details): Continuously controlled by Ukraine
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 Ukraine | |||||||
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| Order of battle | Order of battle | ||||||
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Pre-invasion at border: 169,000–190,000[c][4][5][6] Pre-invasion total: 900,000 military[7] 554,000 paramilitary[7] In February 2023: 300,000+ active personnel in Ukraine[8] In June 2024: 700,000 active personnel in the area[9] |
Pre-invasion total: 196,600 military[10] 102,000 paramilitary[10] July 2022 total: up to 700,000[11] September 2023 total: over 800,000[12] | ||||||
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| Reports vary widely, see § Casualties for details. | |||||||
On 24 February 2022, Russia invaded Ukraine, starting the largest and deadliest war in Europe since World War II, in a major escalation of the existing war between the two countries that began when Russia attacked Ukraine in 2014.[13][14][15] The fighting has caused hundreds of thousands of military casualties and tens of thousands of Ukrainian civilian casualties. Russian troops occupy roughly 20% of Ukraine.[update][16] From a population of 41 million, about 8 million Ukrainians have been internally displaced[17] and 6–7 million have fled the country,[18] creating Europe's largest refugee crisis since World War II.
In late 2021, Russia massed troops near Ukraine's borders and issued demands to the West, including a ban on Ukraine ever joining NATO. After repeatedly denying having plans to attack Ukraine, on 24 February 2022, Russian president Vladimir Putin announced a "special military operation," saying it was to support the Russian-backed breakaway republics of Donetsk and Luhansk, whose paramilitary forces had been fighting Ukraine in the Donbas war since 2014. Putin espoused irredentist and imperialist views challenging Ukraine's legitimacy as a state. He claimed without evidence that the Ukrainian government were neo-Nazis committing genocide against the Russian minority in the Donbas and that Russia's goal was to "demilitarise and denazify" Ukraine.[d] Russian air strikes and a ground invasion were launched on a northern front from Belarus towards the capital, Kyiv; a southern front from occupied Crimea; and an eastern front from the Donbas towards Kharkiv. Ukraine enacted martial law, ordered a general mobilisation, and severed diplomatic relations with Russia.
Russian troops retreated from the north and the outskirts of Kyiv by April 2022, after encountering stiff resistance and logistical challenges. The Bucha massacre was uncovered after their withdrawal. Russia launched an offensive in the Donbas and captured Mariupol after a destructive siege. Russia continued to bomb military and civilian targets far from the front and struck Ukraine's energy grid during winter months. In late 2022, Ukraine launched successful counteroffensives in the south and east, liberating most of Kharkiv Oblast. Soon after, Russia illegally annexed four partly occupied provinces. In November, Ukraine liberated the city of Kherson and all land west of the Dnipro River. After small but steady Russian advances in the east in the first half of 2024, Ukraine launched a cross-border offensive into Russia's Kursk Oblast in August, where North Korean soldiers were sent to help Russia.
The United Nations Human Rights Office reports that Russia is committing severe human rights violations in occupied Ukraine. Russia's attacks on civilians, as well as its policies in occupied territories, have led to allegations of genocide.[e] The direct cost of the war for Russia has been estimated as over US$450 billion, while the World Bank Group estimates the cost of reconstruction in Ukraine at US$588 billion.
The Russian invasion was met with international condemnation. Many countries imposed sanctions on Russia and its ally Belarus while providing humanitarian and military aid to Ukraine. Protests occurred around the world. Within its borders, Russia met anti-war protesters with mass arrests and greater media censorship. War-related disruption to Ukrainian agriculture and shipping worsened the world food crisis; war-related environmental damage was described as ecocide. The International Criminal Court (ICC) opened an investigation into crimes against humanity, war crimes, abduction of Ukrainian children, and genocide against Ukrainians. The ICC issued arrest warrants for Putin and five other Russian officials. Peace negotiations have stalled, and Russia has repeatedly refused calls for a ceasefire.
Background
Post-Soviet relations
After the dissolution of the Soviet Union in 1991, Russia and Ukraine maintained cordial relations. In return for security guarantees, Ukraine signed the Nuclear Non-Proliferation Treaty in 1994 and gave up its nuclear weapons.[28] Russia, the US, and the UK agreed in the Budapest Memorandum to respect Ukraine's sovereignty and borders.[29] In 1999, Russia signed the Charter for European Security, affirming that every country had the right "to choose or change its security arrangements" and to join military alliances.[30] In 2005, Putin said that if Ukraine wanted to join NATO, "we will respect their choice".[31]
Ukrainian revolution
In 2013, Ukraine's parliament approved finalising the European Union–Ukraine Association Agreement.[32] The Putin regime put pressure on Ukraine to reject the agreement and imposed economic sanctions on the country.[33] Kremlin adviser Sergei Glazyev warned in September 2013 that if Ukraine signed the EU agreement, Russia would no longer acknowledge Ukraine's borders.[34]
In November, Ukrainian president Yanukovych suddenly withdrew from signing the agreement,[35] choosing closer ties to Russia instead. This coerced withdrawal sparked massive protests known as Euromaidan, culminating in the Revolution of Dignity in February 2014. Almost 100 protesters were killed by state forces, most of them shot by police snipers. Despite signing an agreement, Yanukovych secretly fled to Russia.[36] Ukraine's parliament then voted to remove him and hold new elections,[37] which elected Petro Poroshenko as President of Ukraine.[38]
Russian invasion of Crimea and Donbas
On 27 February 2014, Russian soldiers with no insignia began to occupy the Ukrainian territory of Crimea,[39] blockading Ukrainian military bases.[40] In March, Russia annexed Crimea following an illegitimate referendum held under occupation. It was the first time since World War II that a European country had annexed part of another,[41] and several scholars likened it to Nazi Germany's annexation of Austria.[42][43][44] The UN General Assembly adopted a resolution affirming the "territorial integrity of Ukraine" and rejecting the annexation.[45] NATO also suspended cooperation with Russia.[46] Putin said Crimea should never have been part of an independent Ukraine and claimed that Russia did not want to take any other regions of Ukraine.[47]
Pro-Russian protests followed in the Ukrainian cities of Donetsk and Luhansk, covertly funded and organised by Russia.[48] In April 2014, armed Russian paramilitaries seized Sloviansk and other settlements, proclaiming the independent Donetsk People's Republic (DPR) and Luhansk People's Republic (LPR). Their commander, Igor Girkin, acknowledged that this sparked the War in Donbas, as Ukraine soon launched an operation to retake the territory.[49][50][51] Russia covertly supported the separatists with troops, tanks and artillery.[52] The International Criminal Court judged that the war was a national and international armed conflict involving Russia,[53] and the European Court of Human Rights judged that Russia controlled the DPR and LPR from 2014 onward.[54] Ukraine's parliament declared the Donbas region to be occupied by Russia.[55]
The annexation of Crimea and the Donbas war sparked a wave of Russian nationalism. Analyst Vladimir Socor called Putin's 2014 speech following the annexation a "manifesto of Greater Russia irredentism."[56] Putin began referring to "Novorossiya" (New Russia), a former Russian imperial territory that covered much of southern Ukraine.[57] Russian-backed forces were influenced by Russian neo-imperialism[58] and sought to create a new Novorossiya.[59]
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When the conflict began in 2014, Ukraine was officially neutral[61] and said it was not seeking NATO membership.[62][63] Following Russia's occupation of Crimea and invasion of the Donbas, Ukraine's parliament voted in December 2014 to revoke the country's neutral status and seek NATO membership.[64][65]
The Minsk agreements (September 2014 and February 2015) aimed to resolve the Donbas War, but ceasefires and further negotiations failed.[66] The West's weak response to Russian actions led Putin to believe the West would not react strongly to the 2022 invasion.[67][68][69] Several political scientists said this encouraged further Russian aggression.[70][71][72]
Prelude
Russian military buildup and demands
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There was a Russian military build-up near Ukraine's borders in March and April 2021,[73] and again in both Russia and Belarus from October 2021 onward.[74] Russia said it was only holding military exercises. Members of its government, including Putin, repeatedly denied having plans to invade Ukraine, issuing denials up until the day before the invasion.[75][76][77]
Russia's proxy forces launched thousands of attacks on Ukrainian troops in the Donbas.[78] Observers from the Organization for Security and Co-operation in Europe (OSCE) reported more than 90,000 ceasefire violations throughout 2021, most in Russian-controlled territory.[79]
In July 2021, Putin published "On the Historical Unity of Russians and Ukrainians," in which he called Ukraine "historically Russian lands" and claimed there is "no historical basis" for the "idea of Ukrainian people as a nation separate from the Russians."[80][81] Putin was accused of promoting Russian imperialism, historical revisionism, and disinformation.[82]
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The December 2021 Russian ultimatum to NATO included demands that NATO end all activity in its Eastern European member states and ban Ukraine or any former Soviet state from ever joining the alliance.[83][84][85][86] Russia's government said NATO was a threat and warned of a military response if it followed an "aggressive line."[87] A US official said the US was willing to discuss the proposals, but there were some that "the Russians know are unacceptable" and had already been ruled out.[85] NATO Secretary General Jens Stoltenberg replied that "Russia has no veto" on whether Ukraine joins and "has no right to establish a sphere of influence to try to control their neighbours."[88] NATO underlined that it is a defensive alliance and had co-operated with Russia until the Crimea annexation.[89]
Several Western political analysts suggested that Russia knew its "unrealistic demands" would be rejected,[85] giving it a pretext to invade.[90] No countries bordering Russia had joined NATO since 2004. Ukraine had not yet applied, and some NATO states would likely veto its membership.[91] Analysts Taras Kuzio and Vladimir Socor agree that "when Russia made its decision to invade Ukraine, that country was more remote than ever not only from NATO membership but also from any track that might lead to membership."[86] Political scientists Michael McFaul and Robert Person said Russia's occupation of Crimea and the Donbas had already blocked Ukraine's NATO membership; they suggested Putin's real aim was to subjugate Ukraine.[92]
NATO offered to negotiate some of Russia's demands and to improve military transparency, as long as Russia stopped its troop buildup.[93] The alliance rejected Russia's demand to keep Ukraine out of NATO forever, pointing out that Russia had signed agreements affirming the right of Ukraine and other countries to join alliances.[94][95] The US proposed that it and Russia sign an agreement not to station missiles or troops in Ukraine.[94] Putin replied that Russia's demands had been "ignored," and the Russian troop buildup continued.[96]
Western leaders vowed heavy sanctions should Putin invade rather than negotiate.[97] French president Emmanuel Macron[98] and German chancellor Olaf Scholz met Putin in February 2022 to dissuade him from invading. Putin told Scholz that Ukraine should not be an independent state.[99] Zelenskyy said Putin had broken agreements and could not be trusted to respect Ukrainian neutrality.[100] At the Munich Security Conference, Zelenskyy called for Western powers to end their "appeasement" of Putin and give a timeframe for when Ukraine could join NATO.[101]
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Shortly before the invasion, Russia's proxy forces stepped up attacks on Ukrainian forces and civilians in the Donbas.[102][103] Separatist leaders warned that Ukraine was about to launch an offensive, but they gave no evidence, and The Guardian noted it would be "exceedingly risky" for Ukraine to assault the Donbas while Russian troops were massed on its borders.[103] Ukraine and Western leaders accused Russia of staging false-flag attacks and trying to provoke retaliation to give Russia a pretext for invading.[102][103] On 17 February, Russian proxy forces shelled a kindergarten in Ukrainian-held territory, then blamed it on Ukraine.[103] Zelenskyy said his military would not respond to the provocations.[102]
Invasion plans
The Royal United Services Institute reported that Russia's plan involved defeating Ukraine within ten days and capturing or killing its government, followed by "mopping up" operations; establishing filtration camps for Ukrainians; setting up occupation regimes; executing people involved in the Revolution of Dignity; and annexation.[104][105][106] The decision to invade was reportedly made by Putin and a small group of war hawks or siloviki in Putin's inner circle, including national security adviser Nikolai Patrushev and defence minister Sergei Shoigu.[107]
After the invasion began, Ukrainian and Western analysts assessed that Putin seemed to have believed the Russian military could seize Kyiv within days. This assessment led to the conclusion that "taking Kyiv in three days" had been the original goal of the invasion.[108][109][110]
Putin's invasion announcement
On 21 February, Putin announced the formal recognition of the independence of the Donetsk People's Republic and Luhansk People's Republic by Russia. The following day, Russia announced that it was sending troops into the territories as "peacekeepers",[111] and the Federation Council of Russia authorised the use of military force abroad.[112]
Before 5 a.m. Kyiv time on 24 February, Putin, in another speech, announced a "special military operation," which effectively declared war on Ukraine.[113][114] Putin said the operation was to "protect the people" of the Russian-controlled breakaway republics. He baselessly claimed that Russians in the Donbas had "been facing humiliation and genocide perpetrated by the Kyiv regime" for 8 years.[20] Putin said Russia was being threatened: he baselessly claimed that Ukrainian officials were neo-Nazis under Western control, that Ukraine was developing nuclear weapons, and that a hostile NATO was building up its forces and infrastructure in Ukraine.[115][116] He said Russia sought the "demilitarisation and denazification" of Ukraine and denied the legitimacy of the Ukrainian state.[116][117] Putin said he had no plans to occupy Ukraine.[115] The invasion began within minutes of Putin's speech.[113]
Events
The invasion began at dawn on 24 February.[113][118] It was the biggest attack on a European country and the first full-scale war in Europe since World War II.[119] Russia launched a simultaneous ground and air attack.[120][121] Missiles struck targets throughout Ukraine,[122] and Russian troops invaded from the north, east, and south.[123] Russia did not officially declare war.[124] Immediately after the invasion began, Zelenskyy declared martial law in Ukraine in a video speech.[125] The same evening, he ordered a general mobilisation of all Ukrainian males aged 18–60,[126] prohibiting them from leaving the country.[127]
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The first stage of the invasion was conducted on four fronts: one towards western Kyiv from Belarus by the Russian Eastern Military District; one deployed towards eastern Kyiv by the Central Military District (northeastern front), comprising the 41st Combined Arms Army and the 2nd Guards Combined Arms Army,[128] one deployed towards Kharkiv; and a fourth, southern front originating in Crimea and Russia's Rostov oblast with an eastern axis towards Odesa and a western area of operations toward Mariupol.[128] The invasion was unexpectedly met by fierce resistance.[129] Russia failed to take Kyiv and was repulsed in the battles of Irpin, Hostomel, and Bucha. The Russians tried to encircle the capital, but defenders under Oleksandr Syrskyi held their ground, using anti-tank and anti-aircraft missiles to thin Russian supply lines and stall the offensive.[130]
By 7 April, Russian troops deployed to the northern front pulled back to resupply and redeploy to the Donbas. The northeastern front was similarly withdrawn for redeployment to southeastern Ukraine.[128][131] On 26 April, delegates from the US and 40 allied nations met in Germany to discuss a coalition to provide economic support, military supplies, and refitting to Ukraine.[132]
Initial invasion (24 February – 7 April 2022)
The invasion began on 24 February, launched out of Belarus to target Kyiv and from the northeast against the city of Kharkiv. The southeastern front was conducted as two separate spearheads, from Crimea and the southeast against Luhansk and Donetsk.[133]
Kyiv and northern front
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Russian troops tried to seize Kyiv quickly with a spearhead on 24 February, from Belarus south along the west bank of the Dnipro River, with Spetsnaz infiltrating into the city, supported by airborne operations and a rapid mechanised advance from the north, but failed.[134][135] The apparent intent was to encircle the city from the west, supported by two separate axes of attack along the east bank of the Dnipro: the western at Chernihiv and from the east at Sumy.[120][121] Russian forces advanced into Chernihiv Oblast on 24 February, besieging its administrative capital within four days of fighting.[136][137] Travelling along highways, Russian forces reached Brovary, an eastern suburb of Kyiv, on 4 March.[121][120]
The US contacted Zelenskyy and offered to help him flee, lest the Russian army attempt to kidnap or kill him; Zelenskyy responded that "The fight is here; I need ammunition, not a ride."[138] By early March, Russian advances along the west side of the Dnipro were limited by Ukrainian defences.[121][120] As of 5 March, a Russian convoy, reportedly 64 kilometres (40 mi) long, had made little progress toward Kyiv.[139] Advances from Chernihiv largely halted as a siege began there. Russian forces advanced on Kyiv from the northwest, capturing Bucha, Hostomel and Vorzel by 5 March.[140][141][142] By 11 March, the lengthy convoy had largely dispersed and taken cover.[143] On 16 March, Ukrainian forces began a counter-offensive.[144] Unable to achieve a quick victory in Kyiv, Russian forces switched to indiscriminate bombing and siege warfare.[145][146]
On 25 March, a Ukrainian counteroffensive retook towns to the east and west of Kyiv.[147][148] Russian troops in the Bucha area retreated north. Ukrainian forces entered the city on 1 April and recaptured the region around Kyiv and uncovered evidence of war crimes in Bucha.[149][150] The Pentagon confirmed on 6 April that the Russian army had left Chernihiv Oblast;[151] local authorities said Russian troops had left Sumy Oblast.[152] NATO secretary-general Jens Stoltenberg said the Russian "retraction, resupply, and redeployment" of troops from the Kyiv area should be interpreted as an expansion of Putin's plans for concentrating his forces on eastern Ukraine.[131]
Southern and eastern front
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On 24 February, Russian attack groups moved northwest from Crimea, capturing bridges over the Dnieper[153] and the North Crimean Canal.[154] On 1 March, Kherson was the first major city to fall to Russia.[155] Russian troops moved on Mykolaiv and attacked it but were repelled.[156] Russian forces approached the Zaporizhzhia Nuclear Power Plant[157] and besieged Enerhodar. By 25 February, Russian units had begun advancing on Mariupol.[158] Russian forces captured Berdiansk.[159][160][161] On 1 March, Denis Pushilin, head of the DPR, announced that it had surrounded Volnovakha.[162]
By 18 March, Mariupol was encircled and fighting had reached the city centre, hampering efforts to evacuate civilians.[163] The Russians demanded surrender, and the Ukrainians refused.[164] On 27 March, Ukrainian deputy prime minister Olha Stefanishyna said that "more than 85 percent of the whole town is destroyed".[165] Russia refused safe passage into Mariupol to 50 buses sent by the UN to evacuate civilians.[166][167]
In the east, Russian troops attempted to capture Kharkiv[168] and met strong Ukrainian resistance. Izium was captured by Russian forces on 1 April[169] after a monthlong battle.[170] On 25 March, the Russian defence ministry said it would seek to occupy major cities in eastern Ukraine.[171]
On 3 April, following the retreat of Russian forces from Kyiv, Russia expanded its attack on southern Ukraine, with bombardment and strikes against Odesa, Mykolaiv, and the Zaporizhzhia Nuclear Power Plant.[172][173] By 7 April, the renewed massing of Russian troops and tanks around Izium, Sloviansk, and Kramatorsk prompted Ukrainian officials to advise remaining residents near the eastern border to evacuate to western Ukraine.[174]
Southeastern front (8 April – 5 September 2022)
By 17 April, Russian progress on the southeastern front appeared impeded by Ukrainian forces in the large, heavily fortified Azovstal Iron and Steel Works and surrounding area in Mariupol.[175] On 19 April Russia launched an "eastern assault" across a 480-kilometre (300 mi) front extending from Kharkiv to Donetsk and Luhansk, with simultaneous missile attacks again directed at Kyiv and Lviv.[176] An anonymous US defence official called the Russian offensive "minimal at best".[177]
By 30 May, disparities between Russian and Ukrainian artillery were apparent, with Ukrainian artillery vastly outgunned.[178] In response to Biden's indication that enhanced artillery would be provided to Ukraine, Putin said Russia would expand its invasion to include new cities and ordered a missile strike against Kyiv on 6 June after not directly attacking it for weeks.[179] On 10 June, deputy head of the SBU Vadym Skibitsky stated that during the Sievierodonetsk campaign, the frontlines were where the future of the invasion would be decided:[180]
This is an artillery war now, and we are losing in terms of artillery. Everything now depends on what [the West] gives us. Ukraine has one artillery piece to 10 or 15 Russian artillery pieces. Our western partners have given us about 10% of what they have.
On 29 June, US intelligence director Avril Haines said US agencies agree the invasion will continue "for an extended period of time ... In short, the picture remains pretty grim, and Russia's attitude toward the West is hardening."[181]
The chief spokesman for the Russian Ministry of Defence, Igor Konashenkov, revealed that Russian troops were divided between the army groups "Centre", commanded by Colonel General Aleksander Lapin, and "South", commanded by Army General Sergey Surovikin.[182] On 20 July, Lavrov announced that Russia would respond to the increased military aid being received by Ukraine from abroad by expanding its special military operation to Zaporizhzhia and Kherson oblasts.[183] Russian Ground Forces started recruiting volunteer battalions to create a new 3rd Army Corps within the Western Military District, with a planned strength of 16,000–60,000 personnel.[184] Its units were deployed to the front around the September Kharkiv counteroffensive, in time to join the Russian retreat. The 3rd Army "melted away" according to Forbes, having little impact on the battlefield along with other irregular forces.[185]
Fall of Mariupol
On 13 April, Russian forces intensified their attack on the Azovstal Iron and Steel Works.[186] Ukrainian prime minister Denys Shmyhal said Ukrainian soldiers had vowed to ignore the ultimatum to surrender and fight to the last.[175] On 20 April, Putin said the siege could be considered tactically complete, since the 500 Ukrainian troops entrenched in bunkers within the ironworks and estimated 1,000 civilians were sealed off from relief.[187]
After meetings with Putin and Zelenskyy, UN secretary-general Guterres on 28 April said he would attempt to organise an evacuation from Azovstal in accordance with assurances from Putin.[188] On 30 April, Russian troops allowed civilians to leave under UN protection.[189] By 3 May, after allowing 100 civilians to depart, Russian troops renewed their bombardment.[190] On 6 May, The Daily Telegraph reported that Russia had used thermobaric bombs against the remaining soldiers. Zelenskyy authorised the commander of the steel factory to surrender as necessary.[191] On 7 May, all civilians were evacuated.[192]
After the