E.U. pledges aid after Balkan floods

May 21, 2014, 11:12 AM EDT
HRTOVCI, SERBIA - MAY 17: Residents lay sand bags along a flooded road in the village of Hrtkovci, 60 kilometers west of Belgrade on May 17, 2014 in Hrtkovci, Serbia. Record flooding in the Balkans has left at least 20 people dead in Serbia and Bosnia and is forcing tens of thousands to flee their homes. Meteorologists say the flooding is the worst since records began 120 years ago and a further flood surge threatens on the river Sava soon . Credit Srdjan Stevanovic/Getty Images
Srdjan Stevanovic/Getty Images

The EU has promised the speedy delivery of aid for Bosnia and Serbia, both observing national mourning after devastating floods over the weekend. At least 40 people have died in the two countries after flooding caused by unprecedented torrential rain, with thousands more displaced.