Bloomington police said a man matching the description from at least two previous robberies in the area entered Walgreen’s at 909 S. Main St. about 8 p.m., displayed a knife and fled with an undisclosed amount of cash. The suspect is described as a black male, late 20’s to early 30’s and 5 feet 6 inches to 5 feet 8 inches tall. He was dressed all in black and had something masking part of his face. No one was injured. Police are also looking for suspects involved in four previous armed robberies