Bay City Police are investigating an armed robbery that occurred early this morning.

Officers were sent to Domino’s Pizza, 1213 Kosciuszko Ave., at 12:25 a.m. There, they were told a man had approached a worker behind the business, pointed a handgun at her and demanded money. He took her cell phone and ran from the area. The employee was not hurt.

A Michigan State Police tracking dog was brought in to assist troopers and Bay County sheriff deputies. Evidence was collected from the scene and a nearby area, but the suspect was not found.

The suspect was described as having a slender build and standing about 5 feet 8 inches tall. He was wearing a dark colored hooded sweatshirt and a dark colored mask.