Mayor Firhad Hakim said on Monday said that the rescue operations are going on at the site where the building was being constructed illegally. Till reports last received, more people were likely to have remained trapped under the debris of the collapsed structure, he said

While the promoter of the building, was arrested, the mayor said stringent action would be taken as per law

West Bengal Chief Minister Mamata Banerjee visited the building collapse site at Azan Molla Lane in the city's western periphery and assured local residents of stern action against illegal construction

"In a horrific accident, an under-construction five-storeyed building collapsed around midnight. Two persons died and at least seven people were injured," the mayor said

"Sad to learn about the house collapse disaster of an under-construction building in the Garden Reach area of the Kolkata Municipal Corporation. Our Mayor, Fire Minister, Secretaries and Commissioner of Police, civic, police, fire and disaster management officers and teams (including NDRF, KMC and KP teams) have been on site throughout the night for mitigating the disaster," the chief minister wrote on X

The mayor said a few more people are suspected to have remained trapped under the debris and efforts were on to rescue them