The devastating flash floods in the Himalayan region swept so many people downstream that authorities in one Nepalese district have begun burying bodies in temporary graves before they can be identified.

Flash floods that struck the Himalayan border region of Nepal and China's Tibet on August 26 have killed at least 165 people. Nearly 1,500 people including at least 800 foreigners are missing, authorities said, after a wall of mud and rock collapsed into a Himalayan river, sending catastrophic floods through towns and valleys. Here is a look at what caused the calamity, and where things stand now

A massive flash flood in the Himalayan border areas of Nepal washed away villages, damaging roads, bridges and power projects, with authorities fearing more casualties, as hundreds of people were provisionally reported missing. Read more:

A massive flash flood in the Himalayan nation of Nepal washed away villages while damaging roads, bridges and power projects in a region bordering Tibet, authorities said, as they warned against the risk of casualties