Former Chief Minister Punjab Dost Mohammad Khosa met PPP co-chairman Asif Ali Zardari and announced to join Pakistan Peoples Party, Aaj News reported on Saturday. Son of the veteran politician Sardar Zulfiqar Khosa, Dost Mohammad hails from Dera Ghazi Khan. In presence of Faisal Saleh Hayat and other senior party comrades, Zardari assured junior Khosa that South Punjab would definitely become a separate province. The DG Khan's influential Khosa family had been publicly expressing its reservations against the ex-PM Nawaz Sharif and ex-CM Shahbaz Sharif despite being in the Pakistan Muslim League-N.