Video has emerged of a theater in the Ukrainian port city after it was allegedly flattened by a Russian bomb. And Ukrainian President Volodymyr Zelenskyy made a direct appeal to US lawmakers. Follow DW for the latest. Blast destroys Mariupol theater used as refuge for hundreds. Ukrainian President Volodymyr Zelenskyy speaks to US Congress. US President Joe Biden announces $800 million in security assistance to Ukraine. Bilateral talks between Russia and Ukraine to reconvene later. German Chancellor Olaf Scholz warned against a direct NATO military confrontation with Russia. France opens war crimes probe into cameraman’s death Prosecutors in France have opened a war crime investigation into the death of Franco-Irish Fox News cameraman Pierre Zakrzewski. Zakrzewski and the Ukrainian producer Oleksandra Kuvshynova died when their vehicle was hit by incoming fire in Horenka, outside the capital, on Monday. Anti-terror prosecutors will investigate possible charges of causing “deliberate harm to a person protected by international law” and a “deliberate attack against a civilian who was not taking part in hostilities.”

via dw: Ukraine: Mariupol city council claims Russia destroys crowded theater — live updates