At 7:18 Hours Communications Dispatched Companies 5, 1, and EMS Companies 59, 19, and ALS to the area of Oakley Road, and Banerjee Court for the reported Motor Vehicle Accident with entrapment. Squad 1 (Lt M.Bell) responded along with Chief 5. Dispatched Advised responding units that it was reported Single Vehicle a St. Mary's County Deputy in a marked unit overturned in a ditch with a single patient. Chief 5 arrived on scene confirming a single vehicle into a ditch with the patient attempting to self extricate himself. Squad 1 arrived on scene as the patient had freed himself and was out of the vehicle. Ambulance 599 arrived on the scene and evaluated the patient. Squad 1 returned to service shortly after the patient was being transported to St. Mary's Hospitial.