President Obama apologises to the families of hostages Giovanni Lo Porto and Dr Warren Weinstein, saying he takes "full responsibility" for their deaths during a US counterterrorism operation.
A series of newly released images show the late Osama Bin Laden inside his Tora Bora compound in the Afghan mountains.
While the bravery and sacrifice of British troops is not in doubt, British strategy in Afghanistan does not bear up well under scrutiny.
Services are held to commemorate British soldiers who fought and died during the Afghan campaign. But in Afghanistan, there are fears the Taliban could link up with IS and retake the country.
Barack Obama confirms the death of Kayla Mueller, a US aid worker who had been held hostage by Islamic State militants.
Britain needs to play a greater role in the fight in Iraq against Islamic State militants, according to a report published by MPs.
The killing of at least 30 security personnel in Egypt's Sinai Peninsula could be more than just jihadist violence - but an indication of new and dangerous tactics from the Islamic State group.
Author Andrew O'Hagan's new novel The Illuminations examines the experiences of the soldiers who went to Afghanistan believing in the war, but who returned home to Britain profoundly disillusioned.