Aramco says it will dip into emergency reserves to meet world demand; Trump speaks with Saudi crown prince as US condemns attack on 'global economy'

Regional leaders meet in Turkmenistan, with Iran's VP insisting that threat of US sanctions undermines region's stability

US secretary of state appeals to Asian countries dependent on Gulf shipping for fuel, says new US deployment to Middle East is possible

As targeted Japan-linked vessels in Sea of Oman are evacuated amid US-Iran tensions, Khamenei rebuffs PM Abe's mediation attempts

Nature of incident in Middle East waters still unclear, with US and UK navies investigating; pro-Iran Lebanese news channel Al-Mayadeen says, without evidence, 2 tankers targeted

Top diplomat's remarks come day after US national security advisor says Tehran 'almost certainly' behind the May 12 sabotage

Analysts say the vessel is carrying over 1 million barrels of fuel oil and might be leaking

As Baghdad prepares to compensate for shortfalls once waivers terminated, Trump says Saudi Arabia and other OPEC members will 'more than make up' resulting difference in oil supply