Various renowned political leaders of Khyber Pakhtunkhwa (KP) called on Asif Ali Zardari at Zardari House on Monday and announced joining PPP. The key political figures who joined PPP included former federal Finance Minister Nawabzada Mohsin Ali Khan, President PTI Hayatabad Dr Ilyas Khattak and Matiullah Khattak, nephew of ANP leader Afrasiyab Khattak.