Kathmandu, Nov. 19 -- Actress and animal-rights advocate Sunny Leone has called for an immediate end to the use of elephants in the Chitwan Elephant Festival, saying the event is built on "cruelty, suffering and exploitation." Her statement comes as several major sponsors have withdrawn support from the festival this year.In her statement, Leone noted that major companies - including BYD, Buddha Air, Varun Beverages, Nepal Investment Mega Bank, Mahalaxmi Development Bank, NLG Insurance, Manakamana Darshan and Techminds Network - have distanced themselves from the festival and pledged not to support it in the future. She said the withdrawal clearly shows that "the environment is changing" and that corporations no longer want to be associat...