An environmental group raises concerns over toxic waste reservoir by Danube . The European Commission has approved a plan to build an artificial lake in the Black Sea that would be used for drinking water and industrial waste. The swollen River Elbe continues to threaten Saxony-Anhalt in eastern Germany . Focus in the Czech Republic shifts to the clean-up operation , fire service says .
An environmental group raises concerns over toxic waste reservoir by Danube . Budapest 's mayor says its flood defenses should withstand record high waters . The swollen River Elbe continues to threaten Saxony-Anhalt in eastern Germany . Focus in the Czech Republic shifts to the clean-up operation , fire service says .