A boy uses a coffin as a makeshift boat in floodwaters in Quezon city, Metro Manila, Aug 8, 2012. Deadly torrential rains submerged much of the Philippine capital and surrounding areas on Tuesday, forcing nearly 270,000 people to flee their homes with more flooding expected in the north of the country as a tropical storm passes through the region, officials said. [Photo/Agencies]

Residents wades through floodwaters on a submerged main street in Valenzuela, north of Manila, Aug 8, 2012. Deadly torrential rains submerged much of the Philippine capital and surrounding areas on Tuesday, forcing nearly 270,000 people to flee their homes with more flooding expected in the north of the country as a tropical storm passes through the region, officials said. [Photo/Agencies]