The talks aim to step up pressure on Russian President Vladimir Putin, adding momentum to measures in recent days that have included a new round of sanctions from the United States and European countries that take aim at Russia’s vital oil and gas export earnings.

European leaders want to build on President Trump’s sanctions on Russia with new commitments of financial and military support for Kyiv.

Sir Keir Starmer will push allies to provide Ukraine with more long-range missiles to strike Russian targets at a leaders meeting in London on Friday.

Russia launched a large-scale air attack on Ukraine early Wednesday, causing power outages across most of the country, setting homes ablaze and killing at least six people, including a six-month-old baby,

LONDON -- Russia overnight launched a heavy air attack on Ukraine -- including striking Kyiv with drones and ballistic missiles -- that killed at least six people, including two children.

European Union officials want to make a large loan to Ukraine backed by Russian state assets, but on Thursday, they deferred any clear decision on that plan to December.

At least six people were killed overnight shortly after President Donald Trump said he didn't "want to have a waste of time" holding a summit with the Russian leader.

Ukraine has never used American weapons to strike distant targets on Russian territory. Various long-range weapons have been used in the temporarily occupied territory of Crimea and in the east of the country.