Americans are remembering the thousands of lives lost in the terror attacks of September 11, 2001. This year is the 12th anniversary of the attacks and the tenth year the 'Tribute in Light' has shone above Lower Manhattan to commemorate the twin towers of the World Trade Center.
In Illinois 3,000 flags have been placed in memory of the lives lost in the attack.
Princes William and Harry cracked jokes with each other as they made multi-billion pound deals for charity on a City trading floor.
A man widowed in the September 11 attacks has returned to the top of the World Trade Center to honour the memory of the wife he lost there.