Pair of police crashes injure cops, citizen

Three police officers and a motorist were hospitalized after separate but related collisions Saturday morning in San Francisco, police said Sunday.

At about 8:30 a.m. a police vehicle and a civilian vehicle collided at Geary and Arguello boulevards. Police said two officers were hospitalized. A civilian was treated and released at the scene.

Police said another officer responded to the collision and his vehicle collided with another vehicle at Third Avenue and Geary Boulevard.

The officer and driver of the other vehicle were both hospitalized.

Police said the four hospitalized suffered injuries not considered life-threatening.