PakistanPML-N stages walkout from NA over Quetta killingMirza HassanOctober 5, 2011October 5, 2011 by Mirza HassanOctober 5, 2011October 5, 2011 Islamabad: Pakistan Muslim league-N (PML) on Wednesday, staged walkout from National Assembly over target killing of Hazara community in Balochistan and joined Pakistan People Party...