A train has derailed after a landslide near the Swiss ski resort of St Moritz, in what police describe as a “serious” accident.

Swiss national radio reported that one carriage had plunged into a ravine and another was hanging from the rails. The extent of casualties is unclear but officials say the injured have been taken to hospital by helicopter and ambulance. The landslide happened after heavy rain in eastern Switzerland overnight.

Tim Konrad is the founder of Unofficial Networks and a passionate skier with over two decades of experience in the ski industry. In 2006, he launched the blog from Lake Tahoe with his brother John, evolving...