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".

There are no plans for President Donald Trump and Russian President Vladimir Putin to meet "in the immediate future," a White House official said on Tuesday -- calling off a summit that was expected in Hungary in the coming weeks.

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

Ukraine’s president and European leaders are accusing Russian President Vladimir Putin of stalling on peace efforts in Ukraine

European countries are working with Ukraine on a 12-point proposal to end Russia's war along the current front lines. Details: According to people familiar with the matter, the implementation of the proposed plan will be overseen by a peace board chaired by US President Donald Trump.

European leaders have issued a joint statement setting out support for Ukraine and Donald Trump's efforts to end the fighting - but a Russian spy chief has warned world security faces its "most fragile moment" since 1945.

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

US President Donald Trump said on October 20 that attempts to reach an agreement between Russia and Ukraine to end the war are ongoing, and warned that if an agreement is not reached the consequences will be serious.