CHARLESTON, S.C., Dec. 7 A South Carolina woman was critically injured when a gun when off while she was trying to retrieve something from under a bed. Police said the bullet went through one of Sandra McClanahan's lungs and out her back. She was hospitalized Wednesday in critical but stable condition, The Charleston (S.C.) Gazette reported. The incident was under investigation but police say it appears a pistol under the bed went off accidentally. no it fired like its suppose to when the triggers pulled Police said they spoke to McClanahan's husband, who was at home at the time the gun went off, but did not take him in for questioning.