President Joe Biden made a surprise visit to Ukraine on Monday to show support and solidarity with the nation in its battle against Russian President Vladimir Putin's invasion. He was greeted by the US Ambassador to Ukraine and later met with Ukrainian President Volodymyr Zelenskyy at the Mariinsky Palace. Biden reaffirmed the US's commitment to Ukraine's democracy, sovereignty, and territorial integrity, and the visit is seen as a sign of support for Ukraine's struggle and a demonstration of the US's commitment to the country.