European Council President Antonio Costa said, "This is no time to withdraw support to Ukraine. This is no time to relieve Russia's sanctions. Now it is time to increase our support, to increase our pressure."
The summit comes as relations between Ukraine and the United States have soured. US President Donald Trump recently announced that Kyiv and Moscow had agreed not to target each other's energy facilities, a deal Zelenskyy abandoned after accusing Russia of violations. Trump called Zelenskyy's move "a disgrace."
Trump has also suspended sanctions on Russian oil products and struck a deal with Russian President Vladimir Putin for Moscow to supply large quantities of diesel to global markets. Zelenskyy criticised the deal, saying it would put more money into Putin's pocket to fund the war. "This diesel deal will never be enough to offset the impact of the Strait of Hormuz on global markets," he said, "but it will put more money straight into Putin's pocket to fund this war."
Zelenskyy also accused Putin of having no real interest in peace talks. "Putin does not want peace talks at the moment, in any form," he said. "He's playing with words… Quite simply, it looks like a parody of a genuine desire to end the war."
Bracing for expected winter-time attacks on Ukraine's energy infrastructure, Zelenskyy asked EU leaders for an additional 70bn euros ($79bn) in funding next year to maintain the fight against Russia.