Any potential peace deal for Ukraine would need to involve agreement on territory, with Russia currently occupying almost a fifth of Ukraine’s land.

Donald Trump and Vladimir Putin will meet in Alaska on Friday for talks on ending the war in Ukraine, and to revive their diplomatic and economic ties. It's a first-of-a-kind summit in a location loaded with history,

Alaska's energy resources could be up for discussion at Friday's meeting between Trump and Putin, according to a report.