An unmarked police car responding to a foot pursuit in Japantown struck an officer and a suspect Saturday evening, police said.
The officer and the suspect were taken to a local hospital after being hit near Geary Boulevard and Webster Street at around 5:20 p.m.
As of Saturday night, the officer was expected to survive while the suspect was in life-threatening condition, according to police.
The officer was chasing two car break-in suspects when the collision occured.
Images posted on social media show the police car crashed into a bus stop at the intersection.
Police said the injured officer was working in plainclothes and from Northern Police Station.
Police have not released any further information.