HALIFAX -- Police have arrested a man following four robberies in one afternoon in Halifax. On Friday, at around 2:30 p.m., Halifax Regional Police responded to a robbery that occurred at a Roots location at 5505 Spring Garden Road. Police say a man entered the store, demanded cash and stated he had a knife. The man left the area on foot with an undisclosed amount of cash – no weapon was seen, and no injuries were reported. Soon after police arrived at Roots, two other robberies were reported at a CIBC location at 5527 Spring Garden Road and at a Totally Raw Dog Food location at 5525 Spring Garden Road.