Severe rainstorms lashed large parts of southern Germany on Friday and Saturday, causing major disruptions to transport links and leading residents to be evacuated by helicopter. A dyke and a dam also gave way under the deluge, requiring separate evacuations, authorities in the Bavarian district of Augsburg said. Train services were cancelled between the Bavarian capital Munich, Bregenz in Austria and Switzerland’s Zurich due to flooding. The route between Ulm and Augsburg was also affected, and long-distance trains travelling between Stuttgart and Munich were diverted. In the Bavarian town of…