A 55-year-old pedestrian was killed after a portion of concrete and plaster from the terrace parapet wall of a 17-storey residential building collapsed in Mumbai's Chunabhatti area in the early hours of Friday, officials said.

The incident occurred at Galaxy Apartment in Qureshi Nagar, Umarwadi, and was reported to emergency authorities at around 12.37 am, according to information provided by the Brihanmumbai Municipal Corporation (BMC). The collapse triggered an immediate response from civic and emergency agencies, including the Mumbai Fire Brigade, police personnel, ambulance services and local ward staff.