The first incident happened last Thursday at the Gulph Mills Sunoco on South Gulph Road and a second burglary occurred this past Saturday morning at the Exxon Station, located at Henderson Road and South Gulph Road.
According to investigators, the suspect enters the store by smashing a window and then steals cigarettes and lottery tickets.
No injuries have been reported during the burglaries.
Upper Merion police fear the violence may escalate and someone may get hurt in a possible future robbery.
Anyone with information is being asked to call Upper Merion police at 610-265-3232.
