Man behind announcement that triggered Kolkata Durga Puja stampede detained. According to an Indian Express report, Kolkata Police has detained the treasurer of the Chorbangan Durga Puja Committee, whose announcement to evacuate the pandal led to a stampede on October 17 that killed 19 people. Police sources said panic spread after a microphone announcement warned, “The pandal is collapsing." The treasurer, Sanjeev Raha, alias Sentu, was detained from Nadia district.