With just one day to go until a U.S.-Russian summit on ending the war in Ukraine, its president, Volodymyr Zelenskiy, visited London on Thursday to shore up European support for efforts to prevent any agreement that would carve up Ukrainian land.

U.S. President Donald Trump said Wednesday that there will be “very severe consequences” if Russian President Vladimir Putin does not agree to stop his war in Ukraine after their Friday summit in Alaska,

The US-Russia summit lets Putin get back to the top table of international diplomacy and thumb his nose at critics. Here’s what else he stands to gain.