A residential building collapsed in Karachi's Korangi on Thursday. At least seven people have been injured and there are fears eight to 10 people may be stuck underneath the rubble.The four-floor building is located in Allahwala Town. Seven injured people, including two children, were pulled out from beneath the rubble and shifted to a hospital. Rescue teams and the police are at the scene and moving people away. They are lifting rubble to find people trapped underneath. It has not been confirmed that there were people in the building at the time of the collapse. The SBCA had declared the building dangerous and sent the residents eviction notices but people did not leave the building. According to residents, five families lived in the building. Despite being asked to leave, two to three families were still living in the building at hte time of the collapse. Heavy machinery has been called in to remove the rubble but the lane is narrow. Residents are helping search for survivors. SBCA Director General Ashkar Dawar said the building was one of several illegally built on a 22,596 square-yard plot allocated for a playground. We did not grant our approval for its construction, he said. Dawar said a technical team is at the scene to investigate.