CALABASAS, Calif.—Authorities are investigating a two-vehicle crash on Malibu Canyon Road in the Santa Monica Mountains near Calabasas that left one woman dead and six others injured. It was reported at 8:30 p.m. Saturday on Malibu Canyon Road just south of Piuma Road, according to California Highway Patrol Officer Patrick Kimball. The road is predominantly two lanes, serving as a mountain pass between Pacific Coast Highway in Malibu and the Ventura (101) Freeway in Calabasas. One of the vehicles overturned, trapping at least one person, a witness told the CHP. A woman in her mid-20s was pronounced dead at the scene, Kimball said. At least four of those injured are reportedly in critical condition. Paramedics dispatched to scene at 8:33 p.m. transported four critically injured and two with minor injuries to area hospitals, according to a county fire department dispatcher. Malibu Canyon Road was closed in the area for about …