ISLAMABAD: As former prime minister Imran Khan decried what he called ‘unilateral’ proceedings at Adiala Jail, the state-appointed counsel on Monday concluded the cross-examination of all 25 prosecution witnesses in the cipher case while the judge closed the defence lawyers’ right to examine witnesses in the Toshakhana reference. Special Court (Official Secrets Act) judge Abual Hasnat Mohammad Zulqarnain had on Saturday appointed …