KARACHI - The police on Wednesday sealed the house, where the fireworks material exploded, while the Karachi Building Control Authority (KBCA) has also declared the building unfit for residence. It is pertinent to mention here that at least two persons were killed in the explosion occurred on Tuesday at the house R-919 Block 19, F B Area, Gulberg Town in the jurisdiction of Samanabad Police Station. Deceased, who was earlier identified as Imtiazul Haq, later turned out to be Kashif son of Mobin after his family identified him in Edhi morgue (Sohrab Goth). Kashif used to work with Haq but his family did not know about the nature of the work. "Kashif had been working at a fireworks factory in Landhi but left his job when we insisted to do so", said Mobin, the father of the deceased. "We knew that he worked with Imtiaz but he did not inform about the nature of the job", he added. The police however have registered a case against Imtiazul Haq, who is still absconding, DSP Iftikhar Lodhi told The Nation. He added that other victim might be the driver of accused Haq but he was yet to be identified. The house has been evacuated as the KBCA has declared it unfit for residence, the DSP added. Haq was in the house when the explosion occurred but immediately left the building along with his family, the official added.