A train snagged power lines across Interstate 77, closing it in both directions in south Charlotte Monday morning, according to Duke Energy. Thousands were without power. The incident, which closed the interstate between Tyvola Road and Billy Graham Parkway, caused major backups for drivers on their morning commute. According to a Duke Energy spokesperson, the train dragged the lines it caught over I-77. The incident happened just before 11 p.m. Sunday night and left at least 2,900 people without power, according to Duke Energy. Power is not expected to be restored until 6 p.m. Monday.