A catastrophic flash flood that swept through Nepal’s Himalayan border region on Aug. 26 has killed 579 people in Nepal and seven in neighboring Tibet, bringing the death toll across the two countries to 586. Homes, roads and bridges have been destroyed, leaving survivors in hard-hit areas such as Nuwakot waiting for relief supplies as rescue teams search through thick layers of mud and debris Nearly 2,000 people remain missing in Nepal, raising fears that the toll will continue to climb as resc