DUMFRIES, Va. — Police arrested a man in Prince William County who they say was impersonating an officer.

Prince William County police saw a vehicle with flashing lights stopped near Van Buren Road and Fettler Park Drive in Dumfries Friday morning.

Police say when they approached the car the driver first identified himself as a government contractor and then said he was a volunteer firefighter.

The man was also wearing a bullet proof vest and a gun belt.

An investigation revealed the driver, identified as Christopher Santiago, 21 of Triangle was not employed by any law enforcement or government agency.

Santiago is charged with impersonating a law enforcement officer and impersonating a firefighter.