PORTLAND β€” Portland police are investigating an armed robbery at the Cumberland Farms convenience store on Pine Street.

Lt. Robert Ridge said the suspect, described as a white male about six feet tall, entered the store shortly after 9 p.m. Wednesday and pointed a handgun at the clerk.

β€œHe told the clerk, give me all your money,” Ridge said. The clerk obliged and handed over an undisclosed amount of cash.

The robber fled on foot. He was wearing a ski mask and a dark hooded jacket.

Portland police used a canine to track the suspect through the West End but lost the trail on Dow Street.