Pakistan Sindh Top StoriesHuge blast heard near Metric Board office KarachiTNT DeskJanuary 14, 2016January 14, 2016 by TNT DeskJanuary 14, 2016January 14, 2016 KARACHI: Â Huge blast has been heard near Metric Board Office in North Nazimabad,Karachi, TheNewsTribe.com reported....