(AP) CONWAY, S.C. An 18-year-old woman was stabbed to death in a middle school parking lot as students were arriving for class Thursday, and a man was arrested, police said. Students and school employees saw the attack shortly before 8 a.m. in a lot shared by Carolina Forest Middle School and Carolina Forest High School, Horry County police said in a news release. The victim's name was not released, and authorities would not say whether she was a student at the high school. Edwin Lee Cornelius, 24, of Aynor, was arrested shortly after the stabbing. Police said charges were pending....