In his twitter message, Chairman PTI said his UAE lawyers led by Hassan Shad had filed criminal defamation. Proceedings under UAE law against Geo TV, Shahzeb Khanzada and Umer Farooq Zahoor started. Case filed over leveling allegations regarding Toshakhana gifts. LAHORE: Former prime minister and Chairman Pakistan Tehreek-e-Insaf (PTI)  Imran Khan said his lawyers had filed a defamation case against