One person drowned in a stream close to Bruntal in the northeast, while authorities "recorded seven people missing", police chief Martin Vondrasek told a radio station.

Nine people have now died across eastern and central Europe as a result of the storm, several more are missing and millions have been evacuated from their homes.

Over the weekend, six people died and one went missing in Romania, a seventh person drowned in Poland and a firefighter was killed in Austria during a flood rescue operation.