Two police officers stopped a drunk driver suspect at Palm and Shields in Central Fresno.
Police say the driver got out of his car and attacked the officers.
Police say one officer hit his head on something after the suspect pushed him, and now he doesn't remember what happened.
He was taken to the hospital.
Police say the suspect appeared to be under the influence of alcohol or drugs.
Police arrested the man, and he is facing charges of drunk driving and assault on a peace officer.