NEW U.S. ACCOUNT IN BIN LADEN RAID: HE WAS UNARMED.

WASHINGTON -- Osama bin Laden was not carrying a weapon when he was killed by American troops in a fortified house in Pakistan, the White House said Tuesday, as it revised its initial account of the nighttime raid. Members of a Navy Seals team burst in on Bin Laden in the compound where he was hiding and shot him in a room on an upper floor, after a fierce gun battle with other operatives of Al Qaeda on the first floor. [ABSTRACT FROM AUTHOR]