Natural Disaster - Heaviest Rainfall Ever Hits The Balkans Killing 12, Thousands Evacuated.

The heaviest rains and floods in 120 years have hit the Balkan countries of Serbia and Bosnia.The resulting flooding in the Balkans has claimed lives of at least 20 people in Serbia and Bosnia and forced tens of thousands to flee their homes.

Flooding in Bosnia and Herzegovina claimed lives of 12 people. In Serbia, more than 15,000 people have been evacuated from the flood-hit regions. At least 8 people died in Serbia.

After days of heavy rains, swaths of Serbia and Bosnia and Herzegovina are underwater. Parts of the countries saw as much rain fall in 40 hours as they normally get in three months, officials said. Authorities said over 20 people have died as a result of the flooding.

The Sava river burst its banks in towns to the west of Belgrade, the capital and largest city of Serbia.

European Union countries have sent equipment and emergency crews in flood disaster areas. Helicopters, boats and amphibious vehicles were used to help people to safety. Among the people known to have drowned in the floods includes one firefighter on a rescue mission.