US President Donald Trump and Ukrainian President Volodymyr Zelenskyy engaged in a heated exchange in the Oval Office, culminating in Zelenskyy's abrupt departure from the White House without signing a crucial minerals agreement. Trump accused Zelenskyy of risking millions of lives and gambling with World War III, while Zelenskyy responded by questioning the US's role in the war. The incident has strained US-Ukraine relations, with Trump questioning Zelenskyy's readiness for peace and Senator Lindsey Graham expressing doubts about future cooperation.