A cellphone store employee in Brooklyn was assaulted during a robbery, police say.

The incident happened on Jan. 23, inside of the Cricket Wireless store on Church Avenue around 4 p.m.

Police say four teens walked into the store before removing a display phone from a security cable.

A 48-year-old male employee attempted to stop the teens but was punched in the back of the head by one of the suspects, according to police.

The incident was captured on surveillance video before the teens left the store. 

Anyone with information is asked to call Crime Stoppers at 1-800-577-TIPS.