TRIPOLI - At least 30 people, mostly civilians, were killed during fighting between forces loyal to Libyan leader Muammar Gaddafi and rebels in the western town of Zawiyah on Saturday, a doctor in the town told Reuters."More than 30 people have been killed today. The majority were civilians," said the doctor, who runs a field medical clinic in the center of Zawiyah."This is the figure we are sure of but the death toll is higher," he added.