Oil price jumps after Qatar warns all Gulf production could stop within days BBCQatar warns war will force Gulf to stop energy exports ‘within days’ Financial TimesU.S. crude oil tops $90 per barrel after Trump demands unconditional surrender from Iran CNBCExclusive: Qatar shuts gas liquefaction, will take weeks to restart, sources say ReutersWhich EU countries are most exposed to the LNG supply disruption? Euronews.com