ST. CLAIR COUNTY — Law enforcement authorities are investigating an officer involved shooting in St. Clair County.

Just after 3:30 p.m. Sunday, a St. Clair County deputy was trying to pull over a vehicle for failure to yield, according to a media release from the sheriff’s department. The vehicle finally stopped approximately one and a half miles east of Highway E and Highway A intersection.

Upon making contact with the subject, the deputy noticed a weapon. The subject allegedly reached for the weapon. The deputy drew his county issued service weapon and fired one shot that struck the driver. The deputy was not injured.

A helicopter transported the driver to an area hospital in critical condition, according to the release. The deputy involved has been placed on administrative leave per St. Clair County Sheriff’s Office policy The Missouri State Highway Patrol is assisting with the investigation.