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Aerospace group chief executive urges UK and Europe to pool efforts and merge fighter jet programmes

Four western leaders attended an event in Kyiv on the second anniversary of Russia’s invasion

Zelenskiy said the end of the war in Ukraine would come 'on our terms'

Joe Biden declines to give details but says sanctions will coincide with second anniversary of Vladimir Putin’s invasion of Ukraine

Ukraine faces acute shortages of ammunition, while US military aid has been delayed for months in Congress

Republican Marjorie Taylor Greene tells Cameron to ‘kiss my ass’ in response to request to pass aid package

Zelenskiy aide says ‘foreign policy has become a hostage of internal politics’ after Republicans torpedo aid bill

The odyssey of Oleksandr Ivantsov who fought with the Azov brigade

In Ukraine’s history-rich east, the war with Russia is hastening both historical discoveries and the destruction of treasures

Birth of Christ was formerly celebrated on 7 January, but has moved in symbolic shift away from Russia

Military production cannot remain on peacetime footing while war in Ukraine goes on, Radosław Sikorski says after visit to Kyiv

Kremlin threatens ‘serious consequences’ if there is an unprecedented seizure of Russian assets held abroad

Republicans want Democrats to agree to crackdown on immigration in return for supporting funds

Many Europeans don’t realise that EU enlargement is the only way to counter China and Russia – but this week, leaders must act, say Piotr Buras and Engjellushe Morina of the European Council on Foreign Relations

Ukrainian leader invited by Joe Biden, as US president pressures Republican senators to back aid bill

Russian leader praises ‘comradely’ talks with Chinese president before concert to mark 75 years of ‘friendship’

Exclusive: Russian customs records suggest firm owned by major Tory donor kept supplying machines after ‘voluntary pause’

Russian president proposes replacing Shoigu, who has been defence minister for years, with Andrei Belousov, an economist

Russian president claims mandate for Ukraine invasion and ‘correctness of the country’s course’

Ukrainian officials say situation ‘very difficult’ but ‘not catastrophic’ amid loss of two villages and fighting in Ocheretyne

£2.2bn-worth of oil processed in China, India and Turkey – to whom Russia supplies crude – was imported in 2023, data shows

In Kyiv, I saw life under Russian aerial attack. If Europe doesn’t share its air defence systems now, Putin’s threat will only spread, says Guardian Europe columnist Nathalie Tocci

Ukrainian president urges Senate to ratify aid package so that it can strengthen frontline with Russia

With Slovakia the latest member to elect a Russia-leaning leader, the EU is increasingly open to hostile interference, says Chatham House’s Armida van Rij

Up to 500 ‘drop-and-forget’ bombs containing foreign components being fired every week, government analysis finds