Khamis Gaddafi, youngest son of the former Libyan dictator, has allegedly been killed during fighting in the town of Bani Walid, a year to the day that rebel forces killed his father, Muammar. A short statement from the Libyan national congress spokesman, Omar Hamdan, said the 28-year-old was killed "in battle" but gave no further details. His body was apparently found after a day of heavy fightin