9/11 services held in America to mark 18th anniversary - BBC News
Eighteen years on, ceremonies have been held in New York and Virginia to mark 9/11.
Commemorations have been held across America to mark 18 years since the 9/11 attack.

A moment silence took place at various locations, including the site of the attack, 'Ground Zero', in New York and at the Pentagon, Virginia.

Nearly 3,000 people were killed that day and thousands more were injured.