A teenager from Burke County was shot and killed Friday night at a gathering for Hibriten High School students at a former wedding venue on Grandin Road, east of Lenoir, Caldwell County officials said. The shooting happened Oct. 9, according to officials. Investigators said an estimated 70 to 80 people were at the gathering. Authorities had not released the teenager’s identity or provided details about what led to the shooting. It was not known whether the event was chaperoned or how many of those attending were students. The available information did not identify any suspect or indicate whether anyone had been arrested. The death affects communities in both Burke and Caldwell counties. Further details about the investigation and the victim were not immediately available.