The coroner’s office in Los Angeles County says the woman who was killed after stealing an ambulance at knifepoint and smashing into a big rig on Frazier Mountain Park Road is 50-year-old Kristina Fort of Frazier Park.

She died at the scene, along with 40-year-old semi-driver Nelson Martinez of Los Angeles.

Witnesses told the California Highway Patrol that Fort was traveling at around 100 miles per hour when the crash happened just west of Interstate 5 on Wednesday at around 6 p.m.

The Kern County Sheriff’s Office says Fort charged at two Hall Ambulance employees that were clearing a seizure call at North End Drive and Oakdale Street. The EMT and the paramedic were not hurt.

– Anthony Pollreisz