Police are asking for the public’s help identifying a group of people involved in a violent Tremont deli robbery.

Authorities say the trio entered the business at 2026 Lafontaine Ave. on Oct. 16.

A 78-year-old worker attempted to stop them, only to be pushed to the ground from behind.

Police say he was hospitalized and has since recovered.

Anyone with additional information is urged to call 1-800-577-TIPS.