United States Park Police is thankful for the fast action of District 4 Officer A. Belton. Officer Belton responded to a call at 7:36 this morning, S/B Baltimore Washington Pkwy N/O Rt. 197 for a report of a man lying on the side of the road. When he arrived Officer Belton quickly went into action. CPR was performed on the unresponsive individual and was successful. EMS responded and transported the individual to a local hospital for treatment. Officer Belton visited the hospital where testing was underway and non life threatening injuries were reported.