Thousands are feared dead after a churning wall of mud, rock and freezing water bulldozed down the Rasuwa valley, crumpling concrete and washing away entire villages in disaster-movie scenes.

Hundreds of tourists, including 12 Britons, are missing after devastating floods in Nepal swept away buildings and bridges.

More than 300 tourists, including 33 Britons and 54 Americans, are missing after devastating flash floods and mudslides wiped out buildings in Nepal.