ISLAMABAD: The Islamabad High Court (IHC) on Friday restrained police and other authorities from arresting Pakistan Tehreek-i-Insaf (PTI) Secretary General Salman Akram Raja following his petition alleging harassment and unlawful attempts to arrest him. Mr Raja, appearing in person, claimed that he had no knowledge of any FIR registered against him in the Islamabad Capital Territory (ICT) or Punjab. He …