Pakistan says gas leak, not bomb, behind Lahore blast

An explosion that killed seven people and caused panic in the Pakistani city of Lahore was caused by a gas leak and not a bomb as police had earlier stated, officials said Friday.It was not caused by explosives or a result of terrorism," Punjab provincial law minister Rana Sanaullah said Friday.Thursday's explosion sent panic through Lahore, where reports of a second blast were quickly debunked.