( CNN ) -- At least 51 people have died and at least 21 others are missing after torrential rains and subsequent flooding pummeled the Philippines on Saturday , the government said . Filipino pedestrians in Quezon City , a suburb of Manila , brave Tropical Storm Ketsana 's floodwaters . Tropical Storm Ketsana spawned the flooding , which caused at least six of the deaths in Manila , the nation 's capital . Manila and the nearby province of Rizal bore the brunt of the downpour , said Gilberto Teodoro , secretary of national defense and chairman of the National Disaster Coordinating Council . Two of the dead in the capital city were victims of a wall that collapsed , he said . Five thousand people were rescued without boats , and another 3,688 were rescued with boats , he said . Another governmental official reported four injuries . `` My neighborhood rarely gets a bad flooding and I guess this is the worst , '' said CNN iReporter Jv Abellar from Quezon City , Philippines . `` Traversing through the flood is like walking through rapids . '' In all , 41,205 people had sought refuge in 92 evacuation centers , Teodoro said . By 8:30 a.m. Sunday ( 8:30 p.m. Saturday ET ) , the torrential rains ended and slight rainfall was reported . Some roads in the capital metropolitan area had reopened , but `` we do not encourage people to travel these roads , '' Teodoro told CNN in a telephone interview . `` They can be a hindrance to efficient relief and rescue operations . '' The federal government began massive relief efforts to aid the local governments , and set up aid centers addressing pressing problems such as sanitation and water purification . President Gloria Macapagal-Arroyo has ordered pay parking lots at malls in Manila to be opened so motorists can leave their cars there without charge , Teodoro said . iReport.com : Share images of Philippines flooding . Manila 's Nino Aquino International Airport and nearly all of the country 's other international airports had reopened , he said . Though the Philippines is no stranger to floods , Saturday 's downpours approached a record , with 341 mm ( 13.4 inches ) falling between 8 a.m. and 2 p.m. , he said . The average rainfall for the entire month of September is 391 mm ( 15.4 inches ) , he said .
NEW : . More than 50 are dead in Manila in flooding from Tropical Storm Nina . 500 rescued without boats , another 500 rescued with boats , official says . In all , 41,205 people sought refuge in the evacuation centers , official says .