The Ann Arbor Police Department is investigating an armed robbery that occurred at BTB (810 S. State St.) on August 15 at around 3:15 a.m. The suspect entered an unlocked rear door, brandished a handgun and robbed the establishment. The suspect is described as an unknown male, heavy set, 5’9” and about 30 years old. He was last seen wearing a dark hoodie and pants. If you have information, please contact the Ann Arbor Police Department Tip Line (734) 794-6939 or firstname.lastname@example.org.