Photo courtesy of the Anne Arundel County Police DepartmentLOTHIAN, Md. — A 19-year-old Lothian man was arrested Monday after robbing a gun store at gunpoint, firing a shot, and fleeing with multiple stolen firearms. Officers responded around 11:40 a.m. on April 28, 2025, to South County Sportsmen, located at 5643 Southern Maryland Blvd., for a…