Portugal Colonial - Storm Boris lashes central Europe, toll climbs to 18

High winds and unusually heavy rainfall have hit swathes of Austria, the Czech Republic, Hungary, Poland, Romania and Slovakia since Friday.

The rains have flooded streets and submerged entire neighbourhoods in some places, while shutting down public transport and electricity in others.

The storm has caused the deaths of seven people in Romania, four in Poland, four in Austria and three in the Czech Republic, according to the latest tallies. Several people remain missing.

"I have lived for some 25 years in this area, and I have never before seen such an intensity" of flooding, Vienna resident Thomas Hofbauer, 57, told AFP as he described how a usually calm stream in the Austrian capital had turned into a raging torrent.

Experts say climate change caused by greenhouse gas emissions generated by human activities is increasing the frequency and intensity of extreme weather events such as torrential rains and floods.

- Docked boats -

In Austria, the death toll climbed to four as the body of a man was found floating in the floods in Lower Austria, the worst-effected province in the Alpine nation, where more people were evacuated.

Parts of Austria have been hit since Thursday by five times the average amount of rain they get for the entire month of September, according to forecaster Geosphere.

The flooding has broken a dozen dams, with muddy rivers raging, while thousands of households were without electricity and water in Lower Austria, authorities said.

Further north, in eastern Germany, mobile flood protection walls were set up in some area Monday to protect Dresden's old city as the Elbe river level rose, with the peak expected mid-week.

German Chancellor Olaf Scholz said Germany was "deeply touched" by "dramatic" images and news about the flooding in neighbouring countries.

- 'Nightmare' -

The Czech Republic and Poland have also reported deaths, evacuations and significant destruction in the worst-hit areas.

In the eastern Czech city of Krnov, residents began to cart away debris.

"All pavements are destroyed, everything's toppled here, everything's broken around the shop... it's a nightmare," Eliska Cokreska, a 76-year-old pensioner, told AFP.

Polish police updated the disaster's death toll to four -- up from one previously -- adding however that the exact causes of death still needed to be clarified.

While the water in some cities, such as Klodzko, is starting to recede, revealing destruction and desolation, more flooding was feared in other parts of the country.

A dyke in the southwestern town of Nysa, which has some 42,000 inhabitants, was threatening to break with the mayor Kordian Kolbiarz calling on residents to immediately move to "the highest storeys of buildings".

Water has also submerged the town of Glucholazy on the Polish-Czech border with many residents taking refuge in a school.

"This flood is the worst ever in Glucholazy. We are trying to talk to people, support them, offer them tea and, above all, show them that they are not alone," said Paulina Grzesiowska-Nowak, a Red Cross rescuer.

- 'Fury of nature' -

The flooding death toll in Romania -- where people climbed on to roofs to escape the water -- has climbed to seven, according to rescuers.

"Compared to 2013 the amount of water was almost three times bigger. It was hard to handle that kind of fury of nature," Prime Minister Marcel Ciolacu told reporters on Monday.

Hungary has deployed more than 350 soldiers to reinforce flood barriers as the Danube and rivers along its basin are expected to surge.

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P.Serra--PC