Bush was warned of attacks
Senior US politicians demand answers from the White House over its admission that it had warning of a Bin Laden hijack plot before 11 September.

Ground combat
The Royal Marines have carried out their final operation before coming home from Afghanistan, but was their mission a success or a failure?

Ground Zero light show
The United States marks six months since the 11 September attacks with memorial ceremonies for the victims held around the country.

Al-Qaeda prisoners
More suspected al-Qaeda members are flown to a US detention centre at Guantanamo Bay in Cuba amid concern from human rights groups.

The al-Qaeda investigation
The United States is leading an investigation into the international al-Qaeda network which has already uncovered evidence of activity in the US, Europe, the Middle East and Asia.

Forging ahead
Afghanistan's new government can expect huge amounts of foreign aid as it begins the task of rebuilding the country's economy after decades of war.

The military campaign
US air power proved crucial in the battle for Afghanistan. After weeks of sustained bombardment, Taleban forces could no longer keep up their resistance and the US-led coalition seized control of the capital, Kabul and then the entire country.

Afghanistan's missing millions
The tragedy of the tens of thousands of civilians displaced by events within Afghanistan.

Divided loyalties
The mixed reactions across the world to the way the US has retaliated for the September 11th attacks.

America's day of terror: Timeline
BBC News Online charts the horrific sequence of destruction which struck terror into the heart of the United States.