Four people, including a mother and her 7-year-old child, were missing in the lower end of the town which was partly submerged under 60 cm (two feet) of floodwater.

An 89-year-old man drowned in his house in a village near the Danube river town of Rousse, where more than 20 houses were flooded.

Two days of heavy rain caused power cuts, flooding and damage to roads throughout the country -- only days after a month-long heatwave killed hundreds of people in the Balkans.

Romanian authorities issued flood warnings for 13 counties in the east and south of the country, saying river levels were at risk of rising abnormally high.

The Romanian weather institute issued a 'code yellow' warning for Tuesday and Wednesday, signalling torrential rain and strong winds.

Several small bridges in the eastern region of Moldova were washed away and storms cut off electricity supplies to several villages in Braila, Constanta and Giurgiu counties.