Russian forces appear to have donned the US flag for a fresh offensive in Ukraine, after American President Donald Trump's summit with Vladimir Putin.

President Trump and Russian President Putin drove off together in the presidential vehicle, "The Beast," as the leaders arrived in Anchorage, Alaska for a summit to discuss the Ukraine war. Putin could be seen laughing as the two leaders drove off for a historic summit which is expected to last hours.

Ukrainian President Zelenskyy arrived at the White House for talks with President Trump as European leaders await expanded session.