A dam in south-west Poland burst late Saturday following heavy rainfall, as emergency responders in Poland, the Czech Republic and parts of Austria continue to grapple with severe flooding caused by historic rainfall across central Europe. The Lower Silesian municipality of Bystrzyca Kłodzka said that the dam in Międzygórze had overflowed, despite efforts to drain water and prevent the surge. The Regional Water Management Authority in Wrocław called the situation critical, prompting evacuations from lower-lying villages. The dam, built at the beginning of the 20th century in the Kłodzko Valley…