It happened May 24 at 11:00 p.m. on 30th Avenue in Astoria.
Police said the group chased a 25-year-old man into a 7-Eleven then beat him to the ground.
Investigators said one attacker struck the victim with a liquor bottle, which broke and stabbed him.
The victim left but was later transported by EMS to Elmhurst General Hospital.
It's unclear how seriously he was hurt.
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