amman, June 29 -- A helicopter operated by Saudi Aramco crashed Sunday in the energy heartland of Ras Tanura, killing all 14 passengers on board. The crash took place at 6 a.m. local time, the Saudi Press Agency said, citing the energy ministry. It did not elaborate on the cause of the crash or the identities of the victims beyond the fact they were all Saudi nationals. Relevant authorities are investigating, it said. Ras Tanura in Saudi Arabia's Persian Gulf coast is at the center of the kingdom's energy industry, hosting the country's biggest refinery and critical oil export infrastructure. Aramco had only just days earlier resumed loading crude at the terminals in the area for shipments through the Strait of Hormuz, after keeping the facilities shut since the Iran war started at the end of February. It wasn't immediately clear if the incident on Sunday affected any energy facilities. P10...