Kathmandu:Nearly 100 people were killed and over 750, including 133 Indian nationals, remain missing after a massive flash flood originating in Tibet swept through central Nepal on Wednesday, devastating several towns and villages, washing away critical bridges, and crippling a dozen hydropower projects.

Nepal Foreign Minister Shisir Khanal told the parliament that an earthquake hit the Tibet region at 8:37 am (local time) and the flash floods were reported three minutes later, suggesting the tremors may have caused a glacial outburst which triggered the floods.

The flood surged through the Bhote Koshi River affecting Rasuwa and Dhading districts bordering Tibet, officials said.

The massive flood entered the Trishuli River through the Bhote Koshi in Timure, a border-town in Rasuwa district, due to the rockslide and swelling of the Lhende River situated along the Nepal-Tibet border, the National Disaster Risk Reduction and Management Authority said.

It the...