Police said three vehicles including a big rig and silver Toyota Corolla crashed for unknown reasons.

Rancho Cucamonga, CA. – The California Highway Patrol is investigating a semi-truck accident that left one person with minor injuries on Wednesday night in Rancho Cucamonga.
The accident happened at around 8:39 p.m. on 210 Freeway, west of Day Creek Boulevard.
Police said three vehicles including a big rig and silver Toyota Corolla crashed for unknown reasons.
One person was trapped inside one of the Corolla. The party complained of pain to his head after the collision.
Tow trucks were requested to remove the vehicles from the accident scene.
No additional information regarding this incident was provided.
An investigation is ongoing.