Islamabad [Pakistan], March 15 (ANI): The Pakistan Peoples Party (PPP) won four Senate seats while the Pakistan Muslim League-Nawaz (PML-N) and Jamiat Ulema-e-Islam-Fazl (JUI-F) secured wins in one seat each in the bye-elections held on Thursday, Pakistan-based The News International reported. The polling for the six Senate seats in the National, Sindh and Balochistan Assemblies on Thursday started at 9 am (local time) and ended at 4 pm (local time). These six seats fell vacant under Article 223 of the Constitution, which bans lawmakers from holding dual membership. The sub-section 4 of the ar…