Nepal rescuers search power plant for survivors

Search and rescue efforts continued at the hydro power plant in Nepal's Trishuli where over 100 people were thought to be trapped.

Authorities in Nepal were warning of possible fresh flooding on Sunday and urged residents in flood-affected districts to remain on high alert after water levels rose in the Bhotekoshi River.

Flood warning notices were sent to people's phones throughout Sunday morning, as rescue crews worked to clear a major highway connecting Kathmandu to one of the areas worst-hit by Wednesday's catasrophic floods.

In the town of Galchhi, a group of residents sought higher ground on a nearby bridge and watched as the river roared by.

People pointed to enormous rocks that had been washed downriver during the earlier floods, as others standing on a suspension bridge over the water were warned off with whistles.

Along the river entire homes, vehicles and farm tractors could be seen jutting from the thick grey-brown sediment that has enveloped entire villages in the worst-hit flood areas. Rice terraces along riverside had experienced landslides, dropping parts of their field into the river.

The combined toll in Nepal and Tibet rose to 750 dead and over 3,000 people missing after the latest updates on Sunday.

Nepal's disaster agency said the death toll had climbed to 734 with 2,498 people missing, while Chinese authorities reported 16 deaths and 546 missing, including over a hundred Nepalis and people from over a dozen countries.

The latest warnings came after Chinese authorities informed their Nepalese counterparts of increased water flow upstream, Dharam Raj Uprety, chief executive of Nepal's National Disaster Risk Reduction and Management Authority, told the Associated Press.