BAGHDAD—Unknown gunmen stormed a gas facility in northern Iraq on Sunday, killing four employees of the state-owned North Oil Co. and lacing the site with improvised explosive devices before fleeing on motorcycles, company officials said. No group immediately claimed responsibility for the attack, but Iraqi security officials said they suspected Islamic State, which has in the past targeted oil and gas facilities in northern Iraq and...

Source: Wall Street Journal July 31, 2016 08:26 UTC