Hundreds of tourists, including 12 Britons and three Americans, are missing after devastating floods and mudslides swept away buildings and bridges along the Nepal-Tibet border. Houses and roads were swept away in Nepal while officials in China-controlled Tibet said they feared 'major casualties' with some missing in the county of Gyirong after a mudslide hit a land crossing between the neighbours this morning. Authorities have so far found the bodies of 31 people following the natural disaster, amid fears that many more will be found as search and rescue operations get underway. Terrifying footage shows a tsunami wave of flood...