European leaders, including Sir Keir Starmer, will join Volodymyr Zelensky for a high-stakes meeting with Donald Trump at the White House on Monday. The prime minister will travel to Washington alongside several European leaders in a show of solidarity with the Ukrainian president,

Russia had agreed to allow the US and Europe to give Ukraine "robust" security guarantees as part of a potential peace deal.

This comes after Vladimir Putin reportedly made demands to take control of the key eastern Donetsk and Luhansk regions of Ukraine during his summit with Mr Trump as a condition for ending the war.