PHILADELPHIA (CBS) — Police are on the hunt for a man who assaulted a worker and robbed a deli in West Philadelphia.

Authorities say around 8:30 p.m. on October 22, the male entered the 55th Deli Market on the 1300 block of North 55th Street and retrieved a beverage from the refrigerator.

Police say once he approached the cash register, he pulled a handgun and violently grabbed a 44-year-old employee and then struck him in the head with the gun.

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Authorities say the suspect got away with an unknown amount of money from the cash register.

The employee was treated for minor injuries.

Police describe the suspect as a black male, in his late 20s, with a thin build, a mustache, goatee, side burns and a gap between his front teeth. They say he was wearing a black vest with a gray hooded sweatshirt underneath, jeans and a black winter hat.

Anyone with information is urged to call 215.686.TIPS (8477) or text a tip to PPD TIP or 773847. All tips are confidential.