Kolkata/Siliguri, Oct. 31 -- Over 4,500 villagers were evacuated and shifted to 10 relief camps in the North Bengal's Alipurduar district after the administration received an alert about a glacial lake outburst flood (Glof) in Bhutan, officials said on Friday. Soon after the alert was received at 9pm on Thursday, officials made announcements on a loudspeaker to alert the people. Villagers were asked to gather important documents and move to safer ground. Officials said water level shot up in the Sankosh river in Alipurduar but did not lead to any damage. CM Suvendu Adhikari said, "The DM, SP, MLAs and ministers of Alipurduar were awake the whole night and were in touch with the control room at the state secretariat... There were initial rep...