12 killed in Virginia Beach shooting

Emergency vehicles fill the parking lot at the Princess Anne Middle School in Virginia Beach, Va., on Friday. (AP Photo/Vicki Cronis-Nohe)

VIRGINIA BEACH, Va. — A longtime city employee opened fire in a municipal building in Virginia Beach on Friday, killing 12 people on three floors and sending terrified co-workers scrambling for cover before police shot and killed him following a “long gun-battle,” authorities said.