The McHenry barrack of the Maryland State Police continues to investigate the armed robbery of the 7-11 store in Grantsville early yesterday morning. The incident occurred around 2 a.m., as the suspect, armed with a knife, took money and cigarettes. He is described as a white male, wearing black clothing that included a hooded sweatshirt and ski mask. He is further described as about 5 feet, seven inches to 5 feet, 9 inches tall, and weighing about 165 pounds. He also had gray facial hair. Anyone with information is asked to contact the State Police at (301)-387-1101.