Thunderstorms and heavy rainfall flooded roads in parts of Germany, causing significant damage in some places, officials said on Friday, as some areas braced for further rainfall. Rescue workers called out to hundreds of incidents, with the region of Franconia in Bavaria among the places worst affected. Several cars sank in flooded underpasses in Nuremberg and Fürth, and in one district, there was a temporary power cut and streets and cellars were flooded. The worst financial damage was caused by a heavy thunderstorm in Untermerzbach north of Nuremberg, where a warehouse with around 60 to 70 v…