Authorities are investigating a weekend crash in Camden County that left a bicyclist in critical condition.

Gloucester Township police said the bicyclist was struck on Coles Road near Route 42 shortly after 11 p.m. Saturday.

The cyclist, identified as 59-year-old Mark Mullins, of Blackwood, suffered head injuries and was taken to Cooper University Hospital in critical condition.

The driver of the striking vehicle, 42-year-old Brian Foster, of Blackwood, remained at the scene, police said.

The crash remains under investigation. No charges had been filed as of Monday morning, police said.