Raging waters from three rivers have flooded large parts of the south-east German town of Passau following days of heavy rainfall in central Europe.
A spokesman for the city's crisis centre said the situation was "extremely dramatic" and waters are expected to rise further by midday to their level highest in 70 years.
Much of the city is reportedly only accessible by boat and there are power outages in some areas.
At least four people have reportedly died and nine are missing due to floods in Germany, Austria, Switzerland and the Czech Republic in recent days.
More top news
A mother and daughter have been rescued after four days in the New Zealand bush, after their 'HELP' sign was spotted by a helicopter.
A group of hooded youths have clashed with police in Paris at a May Day rally against proposed labour reforms.
Tonight a band of cloud and rain will spread into Scotland and Northern Ireland before reaching all parts of the country tomorrow.