KARACHI: Tens of thousands of supporters of the Grand Democratic Alliance (GDA) staged a sit-in against alleged rigging in Feb 8 elections on the M9 Motorway that connected Sindh’s two largest cities of Karachi and Hyderabad on Friday. GDA head Pir Pagara Sibghatullah Shah Rashdi predicted that PML-N and the PPP coalition government, which he described as a “Khichree”, would …