An aerial view shows an entire neighborhood flooded in Villahermosa, eastern Mexico, Monday, Nov. 5, 2007, due to over a week of heavy rains. At least 20,000 people were still trapped Monday on the rooftops of homes swallowed by water in one of the worst floods in local history. Government officials worked furiously to distribute aid and vowed to crack down on looting by desperate residents.
Rescuers from the Mexican Red Cross look for survivors after a huge landslide in the rural community of El Progreso, in the southern state of Chiapas, Mexico, Monday, Nov. 5, 2007.
Volunteers load food for flood victims in Villahermosa, eastern Mexico, Monday, Nov. 5, 2007. At least 20,000 people were still trapped Monday on the rooftops of homes swallowed by water in one of the worst floods in the history of oil-rich Tabasco state.
A flood victim receives food for her baby girl in Villahermosa, eastern Mexico, Monday, Nov. 5, 2007.
A man swims in flood waters in Villahermosa on Mexico's Gulf coast state of Tabasco, Friday, Nov. 2, 2007. Hundreds of thousands of Mexicans fled the flooded region Friday, jumping from rooftops into rescue helicopters, scrambling into boats or swimming out through murky brown water, while Mexico's President Felipe Calderon called the flooding one of Mexico's worst recent natural disasters.
Stranded horses stand among submerged cars in flooded Villahermosa on Mexico's Gulf coast, Friday, Nov. 2, 2007. Hundreds of thousands of Mexicans fled the region Friday after a week of heavy rain sent rivers spilling over their banks.
People evacuate a flooded area in Villahermosa, Mexico, Thursday, Nov. 1, 2007. A week of heavy rains caused rivers to overflow, leaving 70 percent of the Gulf state of Tabasco underwater, and forcing thousands of people to cling to rooftops or flee to shelters. It is the worst flooding the state has seen in 50 years.
A man carries a baby and a woman behind balances herself using a rope as they evacuate the flooded city of Villahermosa, Mexico, Thursday, Nov. 1, 2007. The week of heavy rains unleashed massive flooding in southeastern Mexico, killing at least one person and forcing tens of thousands to flee the rising waters for shelters in Tabasco and Chiapas states.
People evacuate a flooded area in Villahermosa, Mexico, Thursday, Nov. 1, 2007. Nearly all services, including drinking water and public transportation, were shut down in Villahermosa, Tabasco's state capital, 80 percent of which was underwater.
Soldiers build a dam of sand bags in the town of Villahermosa, Mexico, Thursday, Nov. 1, 2007. Weather forecasters predicted more precipitation in the coming days. The flooding was not related to Tropical Storm Noel, which pounded the Caribbean. The Grijalva River, one of two large waterways ringing Villahermosa, has risen 6.5 feet above its "critical" level and gushed into the city's center.
A man rescues a parrot and two dogs from floodwaters in Tabasco, Mexico, Thursday, Nov. 1, 2007. Of the estimated 700,000 people whose homes were flooded, damaged or cut off, 300,000 still had not been rescued Thursday and potable water supplies were exhausted in Villahermosa, the Tabasco state capital.
People evacuate a flooded area in Tabasco, Mexico, Thursday, Nov. 1, 2007. The state of Chiapas, which borders Tabasco to the south, also reported serious flooding, with officials there estimating that more than 100,000 people had been affected.
People evacuate a flooded area in Tabasco, Mexico, Thursday, Nov. 1, 2007.
People evacuate a flooded area in Villahermosa, Mexico, Thursday, Nov. 1, 2007.
A man sits on a sunken car at a flooded area in Villahermosa, Mexico, Thursday, Nov. 1, 2007.
Mexican Navy soldiers help a man evacuate a flooded area in Villahermosa, Mexico, Thursday, Nov. 1, 2007. Rescue workers in boats and helicopters plucked desperate residents from their rooftops and led thousands to shelters, but the task was proving to be more than they could handle.
People evacuate a flooded area in Villahermosa, Mexico, Thursday, Nov. 1, 2007.
General view of a flooded area in the city of Villahermosa, in Tabasco state, Mexico, Thursday, Nov. 1, 2007. More than 700,000 people were affected by the heavy rains -- unrelated to Hurricane Noel -- in Tabasco state. At least eight people were also reported missing in the neighboring state of Chiapas.