Pakistan Punjab Top StoriesHuge blast at firework factory in Nankana SahibTNT DeskOctober 7, 2015October 7, 2015 by TNT DeskOctober 7, 2015October 7, 2015 LAHORE:Â Roof of a firework factory collapsed after a blast in Moar Khanda area of Nankana Sahib, Lahore, TheNewsTribe.com reported....