The two building blocks, constructed under a government housing scheme about two decades back, collapsed around 8 pm on Sunday after rains in the city, trapping five people who were residing there despite the AMC's warning.
On the intervening night of September 22-23, 2012, three Dalit youths were killed when police opened fire to disperse a violent mob to control a clash between Dalits and OBC Bharwad community members at Thangadh town in Surendranagar district.
Congress demanded a judicial inquiry by a sitting high court judge.