Federal agents and officers assigned to work with the DEA were near 82nd Street and Kedzie Avenue and, acting on information that a driver was transporting cocaine, stopped a vehicle as it entered a gas station there, according to a release from the Chicago Field Division of the DEA. When they tried to arrest the driver, he took off from the gas station, hitting a DEA special agent who was on foot in the area, according to the release and a DEA spokesman.