Kanpur encounter: Who tipped off gangster Vikas Dubey?

Vikas Dubey, the gangster in Uttar Pradesh whose attempted arrest resulted in a bloody gun battle, leaving eight cops dead, had received a tip-off hours before the police raid, his aide Daya Shankar Agnihotri revealed. To the more about the inside story of Kanpur encounter and the gangster, watch News Unlocked With Rajdeep Sardesai.