An 18-year-old man suffered life-threatening injuries on Saturday evening when he was attacked inside a Crocker Amazon store by a hammer-wielding suspect.

According to police, the incident occurred on the 300 block of Rolph Street. just after 10pm when two 18-year-old males entered a business and were followed inside by six male suspects. 

After a seventh man "walked into the store with a hammer and swung it at the victims," one of the victims took out a knife and stabbed his assailant before the suspect struck him in the head.

The suspect and victim were both transported to a hospital for treatment, but the suspect is expected to recover from his wounds. The other suspects fled the scene in an unknown vehicle and were not arrested.

Anyone who has information about this incident is encouraged to contact SFPD via the department's anonymous tip line at 415-575-4444, or text TIP411 with "SFPD" at the start of the message.

Here’s why we usually don’t include suspect descriptions in crime reports.