GLASSELL PARK (CBSLA.com) — A traffic collision Monday between an LAPD patrol car and another vehicle injured seven people, including four officers.

The accident happened around 8:45 a.m. in the 2900 block of N. Fletcher Drive is Glassell Park, the Los Angeles Fire Department said.

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According to police, four officers were responding to a backup call in an unmarked sedan when they were involved in a crash with a SUV.

“They were responding, initially we believe, with lights and sirens as they drove through the red light here, the collision occurred,” Lt. Andrew Smith said.

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Two officers suffered minor injuries, while two others were listed in serious condition. All are expected to recover.

The three passengers in the SUV suffered minor injuries.

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The intersection of N. Fletcher Drive and San Fernando Road was expected to be closed for several hours as the accident was investigated.