Police said three vehicles including a CHP patrol car crashed for unknown reasons.

Riverside, CA. – One person sustained minor injuries following a multi-vehicle collision involving a CHP patrol vehicle on Wednesday morning in Riverside.
According to the California Highway Patrol, the accident happened at around 6:07 a.m. on Highway 91, east of La Sierra Avenue.
Police said three vehicles including a CHP patrol car crashed for unknown reasons.
At least one individual sustained minor injuries following the collision.
Tow trucks were requested to remove the vehicles from the accident scene.
A SigAlert was issued closing all lanes due to the crash. The SigAlert was canceled and all lanes cleared as of 7:17 a.m.
Further details regarding this crash were not released.
The incident remains under investigation.
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