Riverside Police Chief Russ Leach is being investigated after a hit-and-run crash in his city-issued car at 3 a.m. on Monday morning.

Leach, who was hired in 2000, has been placed on medical leave. The case has been handed over from Riverside Police to the California Highway Patrol to avoid conflicts.

According to the Press-Enterprise, CHP Inland Division Chief Jeff Talbott said that the CHP is probing separate allegations that Leach was driving while impaired and that responding Riverside police officers omitted that suspicion from their initial report.

“At this point, the physical evidence is gone,” Talbott told the newspaper. “If there’s any impairment, our investigation will be based solely on the interviews of witnesses, which will be Riverside police.

You can read more on this story, by visiting the Press-Enterprise Web site.