Slew of party leaders have left PTI after May 9 chaos

 Pakistan Tehreek-e-Insaf (PTI) leaders Shireen Mazari and Fayyazul Hassan Chohan announced quitting the Imran Khan-led Pakistan Tehreek-e-Insaf (PTI) in a major setback to the top opposition party, which has seen a slew of leaders parting ways with it following the May 9 violence,