Nepal flash floods leave dozens dead near Tibet border

A fresh emergency alert has triggered panic in parts of Nepal after authorities warned residents near the Mahesh Dobhan area to immediately move to higher ground amid fears of another devastating flood.

A torrent of water tearing through Gyirong Port, one of the main border crossings between Nepal and Tibet, sweeping away all in its path as hundreds of people fled for their lives.

The mountain range along the Nepal-China border has its dangers, most recently seen this week in the flash floods spurred by a glacier collapse that have killed hundreds and brought a wide swath of destruction.

Unlike optical sensors, radar signals can pierce through haze and cloud, mapping terrain changes with high precision even in the rugged Himalayan plateau.