COMPTON, Calif.—A 30-year-old woman was among four people killed after a car fleeing from deputies rammed another vehicle, flipped and burst into flames, authorities said.

Los Angeles County Sheriff's Sgt. Peter Ramirez told the Los Angeles Times ( http://lat.ms/1ffuODh) that dental records and fingerprints may be needed to identify the other three.

The Los Angeles County coroner said Stacey Garcia of Los Angeles died in Saturday's crash. It was unclear which vehicle she was inside.

Keith Wright told that Times that his brother—Compton auto mechanic Larry Gilmore, 35—died. He questioned why deputies needed to engage the car in a chase, saying a helicopter could have been used to track the car.

George Starks said his granddaughter—Shawnice Osborne, 20—also died. She recently graduated from Compton High School.

"She was very responsible and caring, so I'm just shocked," said Starks, a church pastor. "I don't know how she got in this mess, but this is the terrible end result."

Two others were killed in Palmdale on Saturday when a sheriff's patrol car collided with a 1994 Ford Explorer at an intersection. The California Highway Patrol is investigating.

The CHP did not name the victims but said they were a man and woman in the SUV, both 20, from Palmdale. The sheriff's official was taken to Antelope Valley Hospital with moderate injuries.

The CHP said it was unknown at which speed the sheriff's vehicle was driving. It said the SUV entered the intersection in front of the sheriff's vehicle.

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Information from: Los Angeles Times, http://www.latimes.com