Parties renew alliances ahead of by-polls PML-F supports PTI in Malir, PML-N throws weight behind PPP Chairman Pakistan Peoples Party (PPP) Bilawal Bhutto Zardari addresses a press conference. PHOTO: SCREENGRAB Days ahead of by-elections in three constituencies of Sindh, the Pakistan Muslims League-Functional (PML-F) announced its support for the Pakistan Tehreek-e-Insaf (PTI) on Wednesday, while the Pakistan Muslim League-Nawaz (PML-N) allied with the Pakistan Peoples Party (PPP). In the wake of these developments, the PML-F will not field its candidate against the PTI in the by-poll for PS-88 in Malir, and the PML-N will not be contesting against the PPP in all three of the constituencies.