The Union flag was joined by the stars and stripes both inside the Royal Albert Hall, London, and at open-air events across the country.

Some 6,000 people were inside the Royal Albert Hall

Leonard Slatkin was the first American to conduct a Last Night

The event was relayed to crowds in Hyde Park

A minute's silence was observed

The concert was also relayed to Gateshead, Cornwall and Liverpool

It was broadcast on 300 American radio stations

The British and American national anthems were played