WINNETKA, LOS ANGELES (KABC) -- A motorcyclist was killed in a traffic collision involving one other driver in Winnetka Tuesday night.Los Angeles police and firefighters responded to the crash between a motorcycle and a sedan at the intersection of Oakdale and Vanowen after reports of the incident came in at approximately 8:15 p.m.Police said the sedan made an unsafe left turn, crashing into the motorcycle. At one point, the motorcyclist was underneath the vehicle.The driver of the sedan stayed on the scene.Footage from the scene showed excessive damage to the motorcycle.The investigation is ongoing.