WINCHESTER (CNS) - A two-vehicle collision that killed a 17-year-old girl in Winchester was triggered when one of the drivers plowed through a red light at an intersection, authorities said today.Giovanna Rizzo of Murrieta was fatally injured around 9 p.m. Thursday at Keller and Winchester roads, according to the California Highway Patrol.Officer Mike Lassig said the wreck involved a Nissan Titan pickup going eastbound on Keller and a GMC Sierra pickup going northbound on Winchester.Lassig said the vehicles were traveling at unconfirmed speeds when both of them entered the intersection, ``which is controlled by traffic signals.''"The Sierra's front end broadsided the passenger side of the Titan, causing major damage,'' he said. "The Sierra rolled over after colliding with t
