A 22-year-old man was injured early Saturday morning in an accidental stabbing at a residence in Indian Head. According to officials, Charles County Sheriff’s Office and county EMS units were dispatched at 2:13 a.m. on June 27, to the 2900 block of Checker Flag Place after a report that a man had stabbed himself. Dispatchers advised responding units that the man had accidentally punctured his shoulder and that a tourniquet had been applied prior…