Significant rainfall in Oak Glen Thursday triggered a mudslide that covered roads and trapped multiple people inside their vehicles, according to Cal Fire.

Search and rescue teams were activated in San Bernardino County to help those trapped get to safety. A California Highway Patrol officer was among those trapped, Cal Fire said.

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Drones and helicopters were being used during search operations.

Oak Glen Road at Glen Road and Fawn Way was closed due to the debris flow. State Route 38 at Valley of the Falls Drive was also completely shut down by authorities.

Several homes in the Oak Glen area were instructed to shelter in place, Cal Fire said.

Cellphone video shared with NBC4 showed multiple vehicles trapped in the

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