The Kremlin denied Tuesday that it was holding up President Donald Trump’s latest push to end the war in Ukraine, and insisted it had not changed its demands ahead of possible talks. Trump had announced that Russia and the United States' top diplomats would meet this week, with his own summit with Vladimir Putin to follow in Budapest, Hungary.

Ukraine's President Volodymyr Zelenskiy will visit Sweden on Wednesday to meet with Prime Minister Ulf Kristersson in the city of Linkoping, the Swedish government said in a statement.

As temperatures drop in Ukraine, Russia has stepped up drone attacks on power facilities supplying millions of homes across the country.

A contentious meeting between President Trump and President Volodymyr Zelensky of Ukraine produced no obvious progress toward a cease-fire.

A planned summit between U.S. President Donald Trump and Russian President Vladimir Putin was put on hold on Tuesday, as Moscow's rejection of an immediate ceasefire in Ukraine cast a cloud over attempts at negotiations.

Ukraine has hit a Russian chemical plant with UK-made Storm Shadow missiles, the Ukrainian military said on Tuesday. Calling the strike "a successful hit" that penetrated the Russian air defence system, Ukraine's general staff of the armed forces said they were still assessing the outcome of the "massive combined missile and air strike".

A contract to supply Ukraine with refurbished light armoured vehicles is officially dead, the defence minister told a House of Commons committee on Tuesday.

Ukraine's parliament voted on Tuesday to amend the country's budget for this year, raising defence spending to a record level as the war with Russia dragged on into its fourth year.