The UK Prime Minister met Ukraine's President, Volodymyr Zelenskyy, at the UN General Assembly, according to a government press release published on 23 September 2026. The release said the meeting took place the previous afternoon, on 22 September 2026.

The Prime Minister referred to his own meeting with President Trump earlier that day and welcomed the passing of the Graham Bill the previous week. The two leaders discussed the difficult winter ahead and a proposal for an energy ceasefire. The Prime Minister condemned Russia's attacks on Ukraine and said the UK stood fully behind Ukraine.

On peace negotiations, Zelenskyy briefed the Prime Minister on the latest developments. Both stressed that Putin needed to take part in meaningful talks to end the war, and agreed on the need to keep increasing pressure on Russia through sanctions to bring him to the table. They said they looked forward to speaking again soon.