A Nepali school principal rushed 1,643 children to safety after a warning that muddy floodwaters were surging towards their school. His split-second decision came as a glacier-triggered disaster tore through the region and left hundreds dead. "He said the village was gone: taken by the river. He told me to run." The warning came at 9:20 am on Wednesday from a friend to Rajendra Dawadi, principal of Tribhuvan Trishuli Secondary School in Nepal's Trishuli Valley. He had 1,643 children in an... [2603 chars]