Rajwana, who hails from Multan, had been serving as a senator on a PML-N ticket.
The MQM delegation includes Farooq Sattar, Rasheed Godil and Khalid Maqbool Siddiqui.
Sea intrusion can result in sinking of Badin and Thatta in a period of 30 years, followed by Karachi.
Senate elections were postponed as more time was needed for scrutiny of the candidates, sources say.
LG elections will take place in Sindh in March 2016 and in May 2015 and Nov 2015 in KP and Punjab.
Senior Civil Judge issues arrest warrant based on an FIR filed by civil society.
The PTI chief told a rally in Jhelum that the PM had paid the Intelligence Bureau money to sabotage his movement.
Opposition members from the PPP, ANP and JI staged the walkout today.
Imran Khan should not be stopped from leading the ‘Azadi’ march and the routes should not be blocked by containers.