Channel 4 News looks at the al-Qaeda group in the Arabian Peninsula linked to explosives found on two cargo planes, and Public Enemy No 1 for the UK intelligence services, Anwar al-Awlaki.

With the deaths of six British soldiers in Afghanistan the number of UK troops killed since the conflict began has passed 400. Channel 4 News Chief Correspondent Alex Thomson assesses a decade at war.

Senior UK security officials and ministers could be in the frame as the Metropolitan Police begins a new wider investigation into allegations of rendition in Libya, as Simon Israel reports.

Amnesty International calls on the US government to end indefinite detentions in Guantanamo, as the prison reaches its 10th anniversary.

Reports that Washington is accelerating its withdrawal from Iraq by three weeks are a mixed blessing, says defence analyst Anthony Tucker-Jones.

Some of the defining images from 11 September 2001

America's reverence for bombastic leaders is not something that Cool Hand Obama can change, writes Matt Frei.