At least one person was killed and seven to eight others are feared trapped after a four-storey residential building collapsed in Maharashtra's Bhiwandi late on Thursday night, prompting a large-scale rescue operation involving multiple agencies.A portion of the Kohinoor Building in Balaji Nagar, a locality in the powerloom town of Bhiwandi, caved in around 11.30 pm, officials said.Also Read: Delhi: Three-storey building tilts; disaster management teams, police reach spot, in Delhi's Rohini Sector 16Rescue teams recovered one body from the debris and pulled out an injured boy, who was rushed to a nearby hospital."Bhiwandi-Nizampur Municipal Corporation Fire Officer Vijay Jadhav told PTI that a body was removed from the rubble, and an injured boy was rescued and rushed to a nearby hospital."Authorities said seven to eight people are believed to remain trapped under the rubble as search and rescue operations continue.The building comprised 48 rooms, with 12 on each of its four floors. According to municipal officials, it had already been declared dangerous by the civic body, and repair work was underway when the collapse occurred.Also Read: Saket building collapse: Inquiry finds Municipal Corporation of Delhi responsible, fabricated records to mislead probeEarlier in the evening, around 9 pm, residents reportedly heard "loud cracking sounds" coming from the structure."Fearing the worst, locals immediately helped evacuate many families to other locations. However, while some occupants were still making their way out, the 'B' wing of the building caved in," an official said.A major rescue effort is underway at the site, with personnel from the National Disaster Response Force (NDRF), Thane Disaster Response Force and the local fire brigade deployed. A dog squad, four fire engines, two ambulances and heavy earth-moving machinery have also been pressed into service to search for survivors.