Two people were killed and two others were injured early Saturday in Carson when a car slammed into a parked big rig and went down an embankment, officials said.
Officers responded around 2:10 a.m. to the crash on the Avalon Boulevard offramp of the southbound 405 Freeway.
Investigators said a car exited at Avalon when it hit a parked semi-truck. The vehicle then crashed down an embankment, authorities said.
Two people were pronounced dead at the scene, and two others were taken to a nearby hospital in unknown condition.
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What led to the crash was unclear.