Authorities in the Polish city of Wrocław have warned its citizens against false information circulating online about the floods that began inundating parts of Central and Eastern Europe last weekend. The city administration said on social media on Tuesday that there were posts online claiming river dykes would soon be blown up. Fake news was also circulating about poisoned tap water in the city and that “thousands of people would be forcibly evacuated.” The city emphasized that these reports were all untrue and appealed to citizens to only trust information from the local media and authoritie…