In China, hundreds have died and more than 1,100 were missing Monday from landslides caused by heavy rain that has flooded swaths of Asia and spread misery to millions. In Pakistan, the United Nations said the government's estimate of 13.8 million people affected by the country's worst-ever floods exceeded the combined total of three recent megadisasters - the 2004 Indian Ocean tsunami, the 2005 Kashmir earthquake and the 2010 Haiti earthquake. Rescuers in mountainous Indian-controlled Kashmir raced to rescue dozens of stranded foreign trekkers and find 500 people still missing in flash floods that have killed 140. The Chinese death toll jumped to 337 late Monday after Sunday's landslides in the northwestern province of Gansu - the deadliest incident so far in the country's worst flooding in a decade. A debris-blocked swollen river burst, swamping entire mountain villages in the county seat of Zhouqu and ripping homes from their foundations. More rain is expected in the region over the next three days, the China Meteorological Administration said. On Monday evening, clouds were building ominously over the mountains where the mud started flowing. "We were dumbfounded by the enormity of the flood situation when we got to the scene," said Chen Junfeng, a disinfection specialist whose army battalion was the first on the scene Sunday. Photos showed wrapped bodies tied to sticks or placed on planks and left on the shattered streets for pickup. APTN footage showed workers lifting an empty coffin. In many parts of rural China, coffins are bought as insurance for old age.