Public facilities, including hospitals and roads, and dozens of residence buildings were damaged by quick rainfall in Banja Luka in northern Bosnia and Herzegovina (BiH), local media reported on Thursday.
Some areas were faced with danger of landslides, and some families needed to be evacuated, officials said.
Several roads were damaged and drivers were warned to avoid while fire fighters continued the repair work on the roads.
Local meteorological department on Thursday issued warnings for more thunderstorms. Large part of BiH, including Banja Luka, capital city of Republika Srpska (RS), an entity of BiH, was hit hard by quick rainfall on Tuesday and early Wednesday.
The Balkan country was still struggling to recover from the flooding in May, the worst in some 120 years, with over 20 people killed.