Montville Township police were investigating the robbery of a shopper Saturday afternoon outside a Buehler's grocery store on state Route 18.
Authorities said a woman was approached at 3:47 p.m. by a man in his late teens or early 20s.
The robber pointed a handgun at the woman and demanded her purse.
He fled in a dark green, older model Toyota, police said.
The robber was described as a black male with a goatee. He wore black pants and a black hoodie.
Video from surveillance cameras at area businesses was being reviewed.
Anyone with information is asked to call the Montville Police Department at 330-725-8314.