Complex sentence: Rafiq Chaudhry, Shaukat Siddiqui, Hasan Abidi, Ateeq Ahmad, and Hamidi Kashmiri had their support however, in 2007 it was organised on a countrywide basis under an interim constitution.
Split into simpler sentences: Rafiq Chaudhry, Shaukat Siddiqui, Hasan Abidi, Ateeq Ahmad, and Hamidi Kashmiri had supported it. However, in 2007, it was organised on a countrywide basis under an interim constitution.