Biden will mark the grim milestone by ordering flags to be flown at half-staff, said the White House, which will also host a second global COVID Summit.
US President Joe Biden delivers remarks on administration plans to fight inflation and lower costs during a speech in the Eisenhower Executive Office Building's South Court Auditorium at the White House in Washington, U.S., May 10, 2022.(photo credit: REUTERS/LEAH MILLIS)ByREUTERS