A local court in Karachi on Wednesday acquitted Hassaan Niazi, the nephew of Pakistan Tehreek-e-Insaf (PTI) chief Imran Khan in a case for inciting people to revolt against national institutions. The District East Police produced Niazi before judicial magistrate in Karachi (East) in a case lodged against him on the complaint of a citizen named Muhammad Iqbal in the Jamshaid Quarters police station.