Two masked men armed with handguns robbed the Clark gas station on South Main Street this morning, Ann Arbor police Lt. Renee Bush said.
The men stole an undisclosed amount of cash and cigarettes, then ran after the 3 a.m. incident in the street's 600 block, Bush said.
Both men were described as 5 feet, 9 inches tall, of medium builds and were wearing black shirts and black pants.
Anyone with information can call police at (734) 794-6939.

AnnArbor.com