Thomas Warnack/ dpaSeveral people have been killed after a passenger train derailed in south-west Germany, German media report.Police told German news agency dpa that at least three people were also injured in the crash near Riedlingen near Stuttgart in the south-west. Reports say there had been a storm in the area shortly before. Around 100 people were onboard the train when at least two carriages derailed in a forested area around 18:10 local time (17:10 BST), dpa reported.Images of the crash show carriages turned on their sides and heavy emergency service presence. Fallen trees can also be seen at the scene.