The Los Angeles County Sheriff's Department is investigating a fatal shooting by a deputy Saturday in Lancaster.

Two deputies had attempted to stop a man on a bicycle for a traffic violation, but the man fled on foot, sheriff's officials said.

INTERACTIVE DATABASE: Homicide Report - Lancaster

The deputies chased the man a short distance. When he reached toward his waistband, the department said, one of the deputies, believing he could be drawing a weapon, shot him.

The man, who has not been identified, was pronounced dead at the scene. The deputies weren't injured.

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-- Rick Rojas