Snow and ice apocalypse hits US: Flights grounded, roads turn nightmare & chaos grips nation

Historic Storm Fern has slammed the United States, knocking out power for more than half a million people and prompting officials to declare a state of emergency across multiple states. The powerful system has brought crippling snow, hurricane-force winds, and coastal flooding, disrupting transport, closing schools, and stretching emergency services as authorities warn conditions could worsen in the coming hours. Watch for details.