MUMBAI: The part of staircase of K J Patel building collapsed in Vidyavihar around 10.30pm on Friday night.
Three people (2 men and a woman) and one dog were trapped initially but were later rescued safely using extension ladder.
Officials from the Mumbai fire brigade said that at the incident site, it was learnt from members of public and also noticed, that some portion of common passage of second floor had collapsed along with staircase and some more portion was hanging dangerously.
Besides cracks were also observed at various places in building.
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