A four-storey building collapsed in Sialkot, injuring two people on Tuesday. According to details, a four-storey building caved in all of a sudden on Kashmir Road in Sialkot. According to eyewitnesses, when cracks began appearing in the building, the residents were alarmed to the core and immediately deserted the building. A little later, the building came down with a loud sound. Residents alleged that substandard material was used in the construction of the building. It should be mentioned here that Tehsil Municipal Administration (TMA) Sialkot, four months back, served a notice for constructing the building without permission, according to Pervaiz Butt, Administrator TMA.