One week after a mysterious explosion - attributed to a "technical incident" - at Qatar's massive Ras Laffan industrial city killed dozens and set back restoration and recovery efforts at the giant LNG production facility by weeks if not months, a helicopter belonging to Saudi ​oil giant Aramco crashed on Sunday ‌in Ras Tanura on Saudi Arabia's eastern coast on the Gulf, west of the Strait of ​Hormuz, killing 14 nationals, the state ​news agency reported, adding that the ⁠cause