Malik Amin Aslam has quit Pakistan Tehreek-e-Insaf (PTI) after party's vandalism on May 9.
Addressing a news conference in Islamabad on Thursday, he said PTI has veered off on a destructive anti-state path.
Malik Amin Aslam strongly denounced the violence on May 9 during which national assets and memorials of war heroes were attacked.
He said this is no politics and he had not joined PTI for this kind of politics.