Frankfurt/Main (dpa/lhe) - Three people were injured in a collision between a civilian police car and another car in Frankfurt. The accident happened when the police car drove through a red light on Saturday with the siren on. As the police announced on Sunday, there was a collision with a 72-year-old driver who had green. The man's view of the police car was probably blocked by a truck driving next to him. The 72-year-old and two police officers were slightly injured in the collision. Both vehicles were towed away with severe damage.