Nabanna houses West Bengal Chief Minister Mamata Banerjee's office and those of other cabinet ministers. The entire secretariat building was cordon off and sniffer dogs were brought in for checking. Briefcase 1 Bomb scare at Nabanna in Kolkata2 Kolkata Police headquarters in Lalbazar received the threat call3 Bomb disposal squad rushes to spotIn the wake of the recent terror attack in Dhaka, the entire city of Kolkata was holding its breath on Sunday night after the police headquaters received a call about a bomb scare in the West Bengal state secretariat, Nabanna. According police reports, the call might be a hoax.

Source: India Today July 03, 2016 22:30 UTC