Two young girls emerged from a room as the Navy SEALS were moving up the stairs.

Who was armed in the compound?

May 2: A senior U.S. Defense official told Pentagon reporters: "For most of the period there, there was a firefight."

May 3: White House spokesman Jay Carney said: "There were many other people who were armed …. in the compound."

May 6: A senior U.S. defence official said only one of the five people killed in raid that killed Osama bin Laden was armed and fired any shots. That shooter, bin Laden's courier, Abu Ahmed al-Kuwaiti, was quickly killed in the early minutes of the commando operation. The Americans weren't fired on again.