A 16-year-old was arrested earlier this week and charged with aggravated assault after authorities said he punched a man in the head, leaving him hospitalized, Camden County Prosecutor Grace C. MacAulay said Thursday. Mt. Ephraim police responded to the Walgreen’s at 20 West Kings Highway at about 10:40 p.m. on Mar. 23 for a report of an unconscious man, authorities said. Police found a 46-year-old Mount Ephraim man on the ground suffering from an apparent head injury, authorities said. He was taken to Cooper University Hospital, where he remains in critical condition, according to officials. …