A soldier gives water to his search and rescue dog during their patrol in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
People search a body at a destroyed neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
A woman walks across a destroyed neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Women walk across a destroyed neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
People walk across a destroyed neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
A man talks with police officers at a destroyed neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Soldiers patrol at a destroyed neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Men push a bike rescued from a house in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Boulders and debris surround homes damaged when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend, in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Boulders and debris surround homes damaged when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend, in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Boulders and debris surround homes damaged when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend, in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Residents, rescue workers and family members carry coffins out of a church after a burial mass for the victims of Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Neighbors show identification cards from a soccer team found in a damaged house in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
A member of an Ecuador's NGO delivers food to survivors in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
Rescuers carry a body they found inside a building in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
A man searches belongings inside his destroyed house in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
Police agents patrol at a damaged neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
Rescuers carry a body they found inside a building in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
Soldiers patrol at a damaged neighborhood in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Ivan Valencia)
Residents, rescue workers and family members carry coffins out of a church after a burial mass for the victims of Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Residents and family members attend a burial mass for the victims of Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
A tent camp for displaced survivors stands in a basketball court in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
A dog lies on the church floor during a burial mass for the victims of Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Residents, rescue workers and family members carry coffins out of a church after a burial mass for the victims of Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Residents, rescue workers and family members carry coffins out of a church after a burial mass for the victims of Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Hundreds of destroyed and damaged homes are seen from the air in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Dozens of freshly dug graves are seen from the air in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Hundreds of destroyed homes are seen from the air in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Destroyed homes are seen from the air in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)
Destroyed homes are seen from the air in Mocoa, Colombia, Tuesday, April 4, 2017. Colombian authorities said at least 273 people were killed when rivers surrounding Mocoa overflowed and sent a wall of water and debris surging through the city over the weekend. The death toll was expected to rise since many more were missing and bodies are still being found. (AP Photo/Fernando Vergara)