ISLAMABAD: Leader of the Opposition in National Assembly Shehbaz Sharif called for the resignation of Prime Minister Imran Khan and Punjab Chief Minister Usman Buzdar in the aftermath of Sahiwal incident.Speaking on floor of the house on Wednesday, Shehbaz Sharif reintellected the prime minister about his demands regarding Model Town incidents. &Imran Khan had asked for my resignation and arrest of Rana Sanaullah after the Model Town incident. Rana Sanaullah had voluntarily stepped down three days after the incident,& he said. The opposition leader said that the incumbent Punjab CM could much act without seeking permission from the prime minister on WhatsApp. He said that Prime Minister should resign first followed by Usman Budar.Reacting to Sharif's demand, Foreign Minister Shah Mahmood Qureshi lamented that the PML-N leader raised the Sahiwal incident against the rules of the commerce. "We had already debated the incident for two days.  It wasn't appropriate to raise it now," he said. Qureshi said that there was no role of the Punjab government whatsoever in Sahiwal's incident.  "No attempt was made for a cover-up after the incident. We shall much hide any facts. The Khalil family was found to be harmless," he said. The foreign minister said that whoever was found guilty would be punished as per the law.  "We are also ready to conduct an in-camera briefing to the house.""I guarantee you all that whoever was involved shall be prosecuted. We had removed police officials."