NEW DELHI: Several people are feared trapped after a three-storey under-construction building collapsed in Old Delhi’s Chawri Bazaar area on Thursday morning.The incident was reported around 9.50am from Gali Sitara, near the Chawri Bazaar Metro station. At least six fire units, including water tenders and rescue vehicles, were rushed to the spot as rescue operations began.Senior officers are supervising the operation, officials said.The number of people trapped under the debris and the circumstances leading to the collapse are yet to be ascertained.The incident comes nearly two months after a five-storey building housing a paying guest (PG) accommodation collapsed in south Delhi’s Satya Niketan on September 6, killing seven people.(This is a develeoping story)