At least three people have been killed and several others have been seriously injured after a passenger train derailed in south-west Germany, police say. Operator Deutsche Bahn said the crash at Riedlingen near Stuttgart was caused by "unknown reasons". Reports say there had been a storm in the area shortly before.

Deutsche Bahn, Germany’s main national railway operator, did not return The Associated Press' request for comment Sunday evening. A regional passenger train derailed in southern Germany, killing at least three people and seriously injuring others on Sunday, authorities said.