Westbrook police are searching for a man who robbed the Good Things Variety story on Saco Street at 12:48 p.m. Thursday.
Police also are investigating whether the robbery is related to others in the area.
The man entered the store, displayed a gun and fled the scene on West Valentine Street toward West Pleasant Street, Westbrook police said.
A police dog started to track the man, but he was not located, police said.
He was described as between 5 feet 7 inches and and 5 feet 9 iinches tall, with a skinny to medium build. He was wearing a blue sweatshirt or fleece vest with yellow lettering or a logo, and wore a mask, sunglasses and black and white New Balance shoes.
Anyone with information about the suspect’s identity or about the robbery should call Westbrook police at 854-0644. Anonymous tips can be left at 591-8117.