Paramilitary soldiers guard the site where a passenger train derailed after a blast in Pakistan's southern Kashmore district February 16, 2014. At least five passengers, including four children, were killed after a bomb derailed the moving train, according to the police. The train was on its way to the northwestern city of Peshawar from the southern port city of Karachi. REUTERS/Naseer Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST TRANSPORT DISASTER)