Delhi resident Roshni Biswas was summoned over her Facebook post criticising Mamata Banerjee government for implementing lockdown norms strictly and allowing a large congregation in Raja Bazar area.
According to the police, Hossain was drinking at the apartment with his colleagues, which included a police official, driver and cook of the apartment owner.
According to ABP Ananda, traces of explosives were found on the rooftop. It was also reported that 'sutlis' (threads), attached to explosives, was found lying in large quantities, on the road beside the building.