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Police are searching for a hit-and-run driver who left a woman with serious head injuries following a crash in South L.A. last week.

The crash happened around 10:45 p.m. Friday on northbound Denker Avenue in the Manchester Square neighborhood. Ingrid Argueta, 34, was walking outside of the crosswalk westbound on 79th Street when she was hit by a vehicle, the Los Angeles Police Department said Tuesday in a news release.

A family friend identified Argueta and told KTLA she is the mother of a toddler girl.

Adam Ayala, Argueta’s cousin, said she had just been dropped off by an Uber with three other people and were on their way to a relative’s house.

“The impact launched her about 10 feet and it was a black SUV. The car did not even hit the brakes it just kept on going,” Ayala said.. “I think they must have been under the influence or something. I mean even if they were scared they should have stopped. It’s pretty cowardly in my opinion to just flee the scene like that. I have no words.”

Ayala said  it was Argueta’s birthday.

The driver fled the scene without stopping to help her.

She was taken to a local hospital and was treated for cranial bleeding, a laceration to the back of her head, abrasions to her arms and possible fractures in her legs, police said. Ayala said she was fighting for her life.

A reward of up to $50,000 is being offered to anyone able to provide information leading to the driver’s identification and conviction.

Anyone with information was asked to call LAPD South Traffic Investigator K. Yount at 323-421-2500. Anonymous tips can be directed to L.A. Regional Crime Stoppers at 800-222-8477 or