Rescuers carry a girl to safety following a flash flood that inundated Cagayan de Oro city, Philippines, on Saturday, December 17, 2011. Tropical Storm Washi (Sendong) triggered flash floods in the southern Philippines, killing scores of people. #

Aerial view shows logs swept away by flash floods caused by Tropical Storm Washi in the coastal areas of Iligan City, on December 19, 2011. Disaster agencies on Monday rushed to deliver body bags, food, water, and medicine to crowded evacuation centers in the southern Philippines as officials considered digging mass graves for hundreds killed in weekend flash floods. #

Dump trucks lie in mud on the compound of a three-story house damaged by flash floods brought by Tropical Storm Washi in Cala-Cala town in Cagayan De Oro city, southern Philippines, on December 18, 2011. Rescuers searched for more than 450 people still missing after flash floods and landslides swept houses into rivers and out to sea, killing more than 1,000 people in areas ill-prepared to cope with deadly storms. Cagayan de Oro and nearby Iligan cities on Mindanao island were worst hit when Tropical Storm Washi slammed ashore while people slept late on Friday and early Saturday, sending torrents of water and mud through villages and stripping mountainsides bare. #

A motorist speeds past a car hanging on a wall of a house, swept away at the height of the devastating floods in Iligan City, in southern island of Mindanao, on December 19, 2011, two days day after Tropical Storm Washi wrought havoc in the city. The Philippines prepared for mass burials of flood victims December 19 to minimize health risks from rotting cadavers after a cyclone disaster left hundreds dead or missing on Mindanao island. #

Debris and destroyed houses toppled by flash floods are seen in a subdivision hit by Tropical Storm Washi in Iligan city, southern Philippines, on December 19, 2011. #

Damaged vehicles washed away by flash floods brought forth by Tropical Storm Washi lie in a ditch in Balulang village in Cagayan de Oro, in southern Philippines December 17, 2011. Tropical Storm Washi, with winds gusting up to 90km/h (56 mph), hit the resource-rich island of Mindanao late Friday, bringing heavy rain that also grounded some domestic flights and left wide areas without power. #

A woman holds the dead body of her child who was killed during floods caused by Tropical Storm Washi at a village in Iligan City, on the southern Philippine island of Mindanao, on December 17, 2011. #

A woman and her child cook food in a makeshift shelter after their house was swept away by flash floods in a village hit by Tropical Storm Washi, in Iligan city, southern Philippines, on December 18, 2011. #

Fishermen are silhouetted as they return to the shore after searching for missing tropical storm victims swept into the sea in Initao, Misamis Oriental, southern Philippines, on December 18, 2011. #

Residents affected by Friday's flash flooding clean up their damaged homes in Iligan city, Philippines, on December 19, 2011. With funeral parlors overwhelmed, authorities in a flood-stricken southern Philippine city organized the first mass burial of unidentified victims who were swept to their deaths in one of the worst calamities to strike the region in decades. #

A man gathers wood amid logs and debris washed ashore four days after Tropical Storm Washi hit a village in Iligan city, Philippines, on December 20, 2011. Philippine President Benigno Aquino declared on Tuesday a state of national calamity after flash floods and land slides caused by a tropical storm swept through a southern region late last week, killing about 1,000 people and leaving tens of thousands homeless. #

Residents queue up to receive food from the local government at an evacuation center in Cagayan de Oro, Philippines, on December 21, 2011. Survivors of devastating Philippines flash floods face a growing threat of disease including cholera and typhoid, officials warned as the death toll rose above a thousand. #

Children queue up to receive food from the local government at Cagayan de Oro, on December 21, 2011. Survivors of devastating Tropical Storm Washi face a growing threat of disease including cholera and typhoid, officials warned. #

Residents wash their muddied clothes while a girl prepares to take a bath in Cagayan de Oro City, on December 18, 2011, a day after Tropical Storm Washi wrought havoc in the city. Philippine rescuers struggled with mud, fatigue and the stench of death to help dazed survivors of devastating flash floods that have killed more than 1,000 people. #

Philippine Navy personnel arrange coffins that will be shipped with drinking water, clothes and other relief goods to flood-stricken Cagayan De Oro and Iligan cities on board a Philippine Navy ship in Manila, Philippines, on December 20, 2011. #

A girl walks through a landfill were Philippine forensics teams have been examining corpses of unidentified bodies in Cagayan de Oro, Philippines, on December 21, 2011. #

An elderly resident holds into a steel grill in a public elementary school, which serves as a temporary shelter following flash flooding brought about by Tropical Storm Washi in Iligan city, on December 20, 2011. #

Residents retrieve usable items from their destroyed houses on December 18, 2011 after a flash flooding in Cagayan De Oro city. Tropical Storm Washi blew away earlier that day, after devastating the southern Philippines with flash floods that killed hundreds of people as they slept and turned two coastal cities into a muddy wasteland filled with overturned cars and uprooted trees. #

Flood victim Richard Racadio, 9, smiles as he cleans up his house on December 21, 2011. The house was buried in mud in flooding brought about by Tropical Storm Washi in Iligan city. #

Residents, covering their faces from the smell, watch as workers place unidentified corpses into apartment-style tombs at a pubic cemetery in Iligan City, on the southern Philippine island of Mindanao, on December 21, 2011. #