ISLAMABAD, June 05(ABC): Hours after Interior Minister Rana Sanaullah issued a warning regarding Imran Khan’s possible arrest upon the expiry of his bail, PTI Vice-Chairman Shah Mahmood Qureshi warned the government that if the party’s chairman is arrested, it should be ready to face a “strong backlash” from PTI workers. “The PTI will retaliate in a strong manner if Imran …