ISLAMABAD: Former prime minister Imran Khan and his wife Bushra Bibi have filed an appeal before the Islamabad High Court (IHC) against the dismissal of their acquittal plea in the Toshakhana case. While the appeal was filed through their attorneys, Barrister Salman Safdar and Advocate Khalid Yousuf Chaudhry, Bushra Bibi personally appeared in the court to complete biometric verification. She …