Polish Finance Minister Andrzej Domanski said on Friday a pledge worth 5 billion euros ($5.6 billion) from the European Union to help the country recover from its worst flooding in at least two decades may not be enough to cover its losses.

A low-pressure system named 'Boris' caused the worst flooding in more than two decades from Romania to Poland over the past week, and also affected Italy's Emilia-Romagna region. Seven people were killed each in Poland and Romania,

European Union chief Ursula von der Leyen on Thursday pledged billions of dollars in aid for Central European countries that suffered enormous damage to infrastructure and housing during the massive flooding that has so far claimed 24 lives in the region.