Karachi: Building collapses during anti-encroachment drive along Orangi nullah Rescue operation under way SAMAA | Zamzam Posted: Apr 2, 2021 | Last Updated: 1 week ago Your browser does not support the video tag. Four labourers were injured after a building collapsed during an anti-encroachment drive by the Karachi Metropolitan Corporation in Karachi's Orangi Town Sector 9C. According to Senior KMC Director Bashir Siddiqui, three labourers have been pulled out of the debris, while a search operation is under way to rescue the fourth man. The injured persons have been rushed to the Qatar Hospital. Siddiqui added that all the labourers were hired by the KMC.