Millions across the South and central US brace for ice storm as officials urge staying off roads

A winter storm bringing the triple threat of ice, snow and sleet Tuesday to parts of the South and central US has prompted officials to make preparation plans, leading to road and school closures and flight cancellations.A winter storm bringing the triple threat of ice, snow and sleet Tuesday to parts of the South and central US has prompted officials to make preparation plans, leading to road and school closures and flight cancellations.