Federal Minister for Railways Khawaja Saad Rafique has challenged Pakistan Tehreek-i-Insaf (PTI) Chairman Imran Khan to contest elections against him from NA-125 (Lahore) and NA-56 (Rawalpindi). <br />Information Minister Pervez Rasheed has said that Islamabad administration has contacted Imran Khan, now the ball is in PTI’s court. <br />Federal Minister Abdul Qadir Baloch has said that Imran Khan wants to derail the entire system.