Although late last night one officer was dragged by a vehicle, and two more officers were involved in a traffic accident, none of the officers sustained severe injuries. . . . . As additional officers were responding to the scene an accident occurred at approximately 10:44 p.m. between two patrol cars on the 3000 block of Detta Loop. The first police vehicle hit a pole. The second police vehicle hit the first patrol car. The accident is currently being investigated. . . . .