Flooding around the region in the past month has caused hundreds of millions worth of damage and killed 18 in Poland. Meteorologists expect rains to keep up until the weekend in parts of central Europe.
Officials called a state of emergency in the southeast of the Czech Republic and one man died when his car crashed after hydroplaning on a flooded street, police said.
Officials said rising water levels around dams were also becoming a landslide threat.
"There is a real threat of overflowing of unregulated streams, reservoirs and the threat of landslides on people's dwellings," a spokesman in the region of Zlin, bordering Slovakia, said on the region's website.
Slovak police were also investigating the death of a 38-year-old man and searching for another man who fell into a river.
Prime Minister Robert Fico cancelled a government meeting on Wednesday to visit flood-hit regions, with the worst of the flooding in the east of the country.
Renewed rains led to rising river levels and flash floods in neighbouring Hungary, causing the evacuation of some 2,000 people in the northern town of Paszto.
Read more: http://www.telegraph.co.uk/news/worldnews/europe/czechrepublic/7798989/More-central-European-flooding-kills-two.html
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