SAN FRANCISCO, CA -- A San Francisco police officer is recovering in the hospital after he was dragged by a suspected drunk driver Thursday night.

The incident began with a traffic stop on Clayton and Ashbury streets at about 2:30 am. Police say the driver grabbed the officer and pulled him partially through the window. He then continued driving slamming the officer up against parked cars until he fell off a couple of blocks away.

The suspect was taken into custody not far from the scene.