At least 13 people have died after a cooking accident sparked a fire on a train Pakistan.<br /><br />The blaze broke out on the train on Thursday when a gas canister passengers were using to cook breakfast exploded.<br /><br /><br />Some were killed as they jumped from the moving train to escape the flames.<br /><br />The fire destroyed three of the train's carriages near the town of Rahim Yar Khan in the south of Punjab province.<br />