By CBSLA Staff

LOS ANGELES (CBSLA) – Authorities are looking for the driver of a Mercedes which sped away after hitting and seriously injuring a pedestrian last month in West Los Angeles.

The collision occurred at 1:25 a.m. on May 15, according to Los Angeles police.

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The Mercedes was traveling west on Venice Boulevard when it slammed into a man who was in a marked crosswalk at the intersection of Sepulveda Boulevard.

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The suspect fled without stopping or providing aid to the victim, who suffered serious injuries.

Last week, investigators released surveillance video of the car speeding away. It’s described only as a white colored Mercedes. There was no description of the driver.

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A $50,000 reward is offered for information leading to an arrest. Anyone with information should call LAPD detectives at 213-473-0234 or 213-473-0222.