Police are searching for robbers who exchanged gunfire with a store employee Tuesday night in the Portage Park neighborhood on the Northwest Side.

The gunfire erupted between the suspects and the worker about 9:20 p.m. in the store in the 4200 block of North Milwaukee, according to Chicago Police. The robbers made off with cash and merchandise.

No injuries were reported, police said.

A description of the robbers was not available Wednesday morning and no one was in custody as Area North detectives investigated.