Pakistan Tehreek-e-Insaf (PTI) leaders Dr Shahbaz Gill and Farrukh Habib made Interior Minister Rana Sanaullah Khan responsible for the firing incident on Imran Khan.
Shahbaz Gill who is a close aide of Imran Khan said in his tweet on Thursday afternoon that Rana Sanaullah had been giving threats of assassination for several days.
He said in the tweet that for several days, Rana Sanaullah had been giving threats of assassination by uttering words like crushing the head, and now today, there was a murderous attack.
https://twitter.com/SHABAZGIL/status/1588136020599574529?cxt=HHwWgsC4rfzSmIosAAAA
Former State Minister Farrukh Habib also declared Interior Minister Rana Sanaullah Khan and Pakistan Democratic Movement (PDM) leaders responsible of the attempt to murder Imran Khan. 
He mentioned in his latest tweet that Rana Sanaullah and PDM leaders have repeatedly threatened to kill Imran Khan.
Farrukh Habib said in his tweet that Rana Sanaullah is a murderous Home Minister who oppressed Model Town and martyred Haq Nawaz at Novelty Pul in Faisalabad.
And now today, Rana Sanaullah made a murderous attack on the leader of the Muslim Ummah, Imran Khan.
https://twitter.com/FarrukhHabibISF/status/1588138701997080576