Increasingly alarmed that U.S. security priorities lie elsewhere, a group of European countries has been working on a plan to send troops to Ukraine to help enforce any future peace settlement with Russia.

President Volodymyr Zelenskyy has said that Ukraine is losing 60 to 100 soldiers each day in combat.

With more than 100,000 Russian troops positioned around Ukraine, Russian President Vladimir Putin appears to be preparing to launch an invasion.