Fire erupted on board a passenger train after it departed from Karachi, Pakistan, early Thursday, killing more than 70 people, authorities said. The Tezgam Express train was carrying more than 200 passengers from Karachi to Rawalpindi when three cars caught fire, in Punjab. Officials said the blaze started when a gas cylinder, carried aboard by one of the passengers, exploded. At least 73 people died, most as they tried to ...