Gangtok, May 31 -- One person was killed, two injured and eight others went missing when a vehicle carrying 11 tourists plunged into the Teesta river in North Sikkim's Mangan district, police said on Friday. The tourist vehicle plunged more than 1,000 feet into Teesta river near Munsithang along the Lachen- Lachung highway on Thursday night. Two critically injured persons have been rescued and one body recovered, they said. Eight tourists are still missing, said Superintendent of Police, Mangan, Sonam Detchu Bhutia. Sikkim Chief Minister Prem Singh Tamang said that rescue operations began immediately by the local police, teams of NDRF and Indo-Tibetan Border Police officials. He said that two individuals have been rescued and are receiving medical care. He further said that the search for others is ongoing, with NDRF teams joining the operation....