People stand on a terrace of their flooded house as they wait to be evacuated in the town of Obrenovac, east from Belgrade, May 16, 2014. The heaviest rains and floods in 120 years have hit Bosnia and Serbia, killing five people, forcing hundreds out of their homes and cutting off entire towns. (Photo:Reuters)

A woman is assisted by volunteers, during floods, in the Bosnian town of Maglaj, 150 kms north of Sarajevo, Friday May 16, 2014. Two people drowned in Serbia and the country declared a national emergency Thursday as rain-swollen rivers across the Balkans flooded roads and bridges, shut down schools and cut off power. Hundreds of people had to be evacuated. In Serbia and neighboring Bosnia, meteorologists said the rainfall was the most since measuring started 120 years ago. Belgrade authorities say the average rainfall of a two-month period hit the city in just 40 hours. (AP Photo)

People evacuate in a boat in the flooded town of Obrenovac, east from Belgrade, May 17, 2014. Emergency services pulled seven dead bodies from flooded homes in Bosnia on Saturday and soldiers rushed to free hundreds of people stranded in a school in Serbia during the worst floods to hit the Balkans in over a century. (Photo:Reuters)

People stand in their apartments as they wait to be evacuated in the flooded town of Obrenovac, east from Belgrade, May 17, 2014. (Photo:Reuters)

Serbian army soldiers evacuate people in a boat in the flooded town of Obrenovac, east from Belgrade, May 17, 2014. (Photo:Reuters)

Serbian army soldiers evacuate people in an amphibious vehicle in the flooded town of Obrenovac, southwest of Belgrade, May 17, 2014. (Photo:Reuters)

A Serbian army soldier evacuates a child from a school in the flooded town of Obrenovac, southwest of Belgrade May 17, 2014. Seven bodies were pulled from flooded homes in Bosnia and the army rushed to free hundreds of people stranded in the school in Serbia on Saturday during the worst floods to hit the Balkans in over a century. (Photo:Reuters)

A Serbian army soldier evacuates a child from a school in the flooded town of Obrenovac, southwest of Belgrade, Serbia May 17, 2014. (Photo:Reuters)

A Serbian army soldier evacuates a girl from a school in the flooded town of Obrenovac, southwest of Belgrade, Serbia May 17, 2014.(Photo:Reuters)

People try to help an injured man in the flooded town of Obrenovac, southwest of Belgrade May 17, 2014. (Photo:Reuters)

People stand on a terrace as they wait to be evacuated in the flooded town of Obrenovac, southwest of Belgrade, Serbia May 17, 2014. (Photo:Reuters)

A Serbian army soldier gives milk to people in the flooded town of Obrenovac, southwest of Belgrade, Serbia May 17, 2014. Emergency services pulled seven dead bodies from flooded homes in Bosnia on Saturday and soldiers rushed to free hundreds of people stranded in a school in Serbia during the worst floods to hit the Balkans in over a century. (Photo:Reuters)

Ambulances are seen half submerged in floodwaters in front of a school in the flooded town of Obrenovac, southwest of Belgrade May 17, 2014. Seven bodies were pulled from flooded homes in Bosnia and the army rushed to free hundreds of people stranded in a school in Serbia on Saturday during the worst floods to hit the Balkans in over a century. (Photo:Reuters)

Two men stand in the waters in front of their flooded house as they wait to be evacuated in the town of Obrenovac, southwest of Belgrade May 16, 2014. (Photo:Reuters)

People travel in a boat as they search for people to be evacuated from flooded houses in the town of Obrenovac, southwest of Belgrade May 16, 2014.(Photo:Reuters)

Serbian army soldiers evacuate people from a flooded house in the town of Obrenovac, southwest of Belgrade May 16, 2014. (Photo:Reuters)

People evacuate in a boat in the flooded town of Obrenovac, southwest of Belgrade, Serbia May 17, 2014. (Photo:Reuters)

Serbian army soldiers evacuate people in amphibious vehicles in the flooded town of Obrenovac, southwest of Belgrade May 17, 2014. (Photo:Reuters)

Serbian army soldiers evacuate people in an amphibious vehicle in the flooded town of Obrenovac, southwest of Belgrade, Serbia May 17, 2014. Emergency services pulled seven dead bodies from flooded homes in Bosnia on Saturday and soldiers rushed to free hundreds of people stranded in a school in Serbia during the worst floods to hit the Balkans in over a century. (Photo:Reuters)