Nepalese officials have moved quickly to assure climbers of their safety after a fight broke out on Mount Everest. <br /><br />Witnesses said sherpas threw rocks at the tents of three climbers from Britain, Italy and Switzerland and that punches were thrown on Saturday.<br /><br />Royalties for scaling Everest represent a valuable source of income for the impoverished country.<br />http://www.euronews.net/