Reports of the crash began coming in just before 6 p.m. Sunday on the eastbound lanes of Route 91 near Imperial Highway. According to CHP, a truck seemed to have rolled over the center divider of the highway from the westbound lanes onto the eastbound lanes.
In the rollover, a person seems to have been ejected from the vehicle. Images from SkyFOX over the scene of the crash show a body laying on the road.
Officers did not offer any description of the person killed, nor the three people taken to the hospital. CHP continues to investigate the crash.