Steven Gretsky, who announced his retirement Tuesday amid the investigation into the crash, hit a parked car and drove away without giving its owner his insurance information, according to police.

Chester, Pennsylvania Police Commissioner announced his retirement after he was placed on leave pending the outcome of a traffic investigation.

Gretsky’s city vehicle struck an unattended delivery vehicle near East 22nd Street and Hyatt Street in Chester shortly after midnight Monday. Major Katrina Blackwell will serve as acting