A twenty-year-old Summerville man was arrested this week on DUI charges after a Summerville Police Officer on patrol noticed the vehicle he was driving did not have a working brake light.  The officer also noticed a large crack in the windshield of the vehicle.  After performing a traffic stop on Kelly Street and speaking with the driver, the officer detected signs of impairment.  The officer said that the driver was drowsy and his breathing was erratic.  The driver did not have a driver’s license, but gave his name and date of birth to the officer.  Charlton Edwards, Jr. had two warrants out for his arrest and two bags of marijuana inside the vehicle.  Edwards was charged with DUI, brake light violation, driving without a license and driving with no seat belt and marijuana possession and was booked into the Chattooga County Jail.