LOS ANGELES (CBSLA.com) — A man suspected in a deadly hit-and-run was arrested after he returned to the scene of the crash in the West Adams neighborhood of Los Angeles with his mother.

Two pedestrians described as a man and a woman, both in their 50s, were struck at the corner of La Brea Avenue and Adams Boulevard about 10:15 p.m. Saturday.

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Police say the vehicle, described as a Toyota, was heading southbound on La Brea Avenue and did not stop for the two pedestrians who were in a crosswalk.

Authorities said the vehicle fled the scene and both victims believed to be homeless were transported to Cedars-Sinai Medical Center, where the female victim died overnight. The male victim remains in stable condition.

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While investigators were still at the scene, police say the suspected driver accompanied by his mother returned to the scene. He was described as a 20-year-old man.

Police do not believe that alcohol or drugs played a factor in the crash. Police suspect that the man panicked, drove home, told his mother what happened, and she brought him to the scene.

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The man was arrested on suspicion of felony hit-and-run. His identity was not released.