Six people were killed, thirteen injured and many feared dead as a multi-storey residential building collapsed on Hussaini Road in Sukkur on Wednesday night. Death toll is feared to mount higher as several people are still trapped under the rubble of the building. Rescue activities were kicked off after the incident. No heavy machinery is available for rescue work, witnesses said. Meanwhile, emergency was declared in all hospitals in Sukkur and thirteen injured building-dwellers have been recovered from the rubble and shifted to Sukkur Civil Hospital. Rescue workers have rescued thirteen injured people from the debris of the building and a transformer, major power provider in the area, has fallen down cutting off the electricity in the area. Half portion of a school building, resorted to misshapen building, also came down few minutes after the incident. Chief Minister Sindh Syed Qaim Ali Shah, taking the strict notice of the incident, has called for probe in the Sukkur disaster. Also, taking the notice of the tragedy, Advisor on Interior Rehman Malik, has issued directives to rangers and police officials to lend helping hand in rescue activities. Local people, rescue teams from city government, Eidhi workers, police and rangers officials are partaking in rescue services as well as army soldiers have also joined the rescue efforts, DPO Sukkur. Talking to a private TV District Nazim Sukkur Syed Nasir Hussain Sherazi that rescuing trapped people under rubble is our top priority and vowed to bring the culprits to justice at any cost. "Permission was given to build only four floors of the building to its owner nevertheless, the fifth floor was built without permission," said residents, adding the owner was warned several times against its susceptibility and delicateness as sub-standard material was also used in its construction. There were three families living in the building while the building was built some four months ago having some shops located on its ground floor, Edhi sources said.