Police say shortly after 5:00 a.m. a man with his shirt over his face and armed with a shotgun entered the Dunkin' Donuts located at Washington Lane and Stenton Avenue and demanded money from the clerk.
Authorities say he then jumped from the counter and took the safe from the store before fleeing into a vehicle.
The armed male was able to make off with an undetermined amount of cash.
No injuries were reported in the heist.
Police are investigating.