- Virtual summit set to get under way in the next hour
- US says it will send troops to eastern Europe if Russia invades Ukraine
- What sanctions could the US hit Russia with if it invades Ukraine?
- Sign up to receive First Thing – our daily briefing by email
Before his virtual summit with Vladimir Putin, Joe Biden made a trip this morning to the World War II Memorial in Washington.
The president and his wife, Dr Jill Biden, laid a wreath at the memorial to commemorate the 80th anniversary of the attack on Pearl Harbor in Hawaii.