Cleanup operations have begun in parts of Serbia and Bosnia after massive floods, even as cities on the Sava River brace for a new wave of flooding.
Thousands of people were evacuated in both countries.
Serbian Prime Minister Aleksandar Vucic said 44 people were reported killed -- 16 in Serbia, 27 in Bosnia, and one in Croatia.
Authorities are now concerned that higher temperatures, thousands of animal carcasses, and polluted water may lead to outbreaks of disease.
River levels were still rising in the Serbian capital, Belgrade, and further west toward the Bosnian border.
In Bosnia, where one-third of the country is dealing with flood conditions, some 300 mudslides have been reported, mostly in the northeast.
Officials in Bosnia are also concerned that the flooding will unearth some of the landmines left over from the 1992-95 war and that minefield warning signs will be washed away.
PHOTO GALLERY: Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina.
Floods Across The Balkans
1/17An aerial view shows the town of Brcko in northern Bosnia-Herzegovina on May 18.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
2/17A man stands on a roof in Pozega, Serbia.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
3/17Residents of the town of Obrenovac, east of Belgrade, wait for evacuation assistance.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
4/17A rescue effort in Obrenovac, Serbia
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
5/17Residents of Gunja, eastern Croatia, ride a boat through flooded streets.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
6/17Sunken vehicles in the flooded village of Gunja, eastern Croatia
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
7/17Bajina Basta, Serbia
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
8/17A rescue team looks for residents in need of help evacuating the town of Obrenovac, Serbia.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
9/17An aerial view of a flooded suburb of Sarajevo, Bosnia-Herzegovina
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
10/17Heavy equipment helps residents evacuate their flooded houses in Topcic Polje, Bosnia-Herzegovina.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
11/17Serbian soldiers help a man out of his flooded house in the town of Obrenovac, Serbia.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
12/17A vehicle is buried in mud in Topcic Polje, Bosnia-Herzegovina.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
13/17A street in Topcic Polje
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
14/17A woman attempts to save furniture from her flooded office in Banja Luka, western Bosnia-Herzegovina.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
15/17Evacuees from the Serbian town of Obrenovac take shelter at a hall in Belgrade.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
16/17An elderly woman from the town of Obrenovac at a shelter for flood victims in Belgrade
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
17/17Sand bags line the banks of the Sava River in the Serbian city of Sremska Mitrovica.
Thousands of people have fled their homes amid massive floods in Serbia and Bosnia-Herzegovina. Cleanup operations have begun in some areas, but others were braced for worse flooding as river levels continued to rise in the Serbian capital, Belgrade, and regions to the west. More than two dozen people have died in Bosnia, more than a dozen in Serbia, and at least one death was reported in Croatia.
Previous slide
Next slide
Based on reporting by Reuters, Interfax, AFP, and AP
