A campaign by leading Arab powers to isolate Qatar is disrupting trade in commodities from crude oil to metals and food, and deepening fears of a possible jolt to the global gas market, where the tiny Gulf state is a major player.
Just a day after Saudi Arabia and its Arab allies severed transport links with Qatar over a diplomatic row, bans on Doha's fleet using regional ports and anchorages threatened to halt some of its exports and disrupt those of liquefied natural gas (LNG).
Traders worried that Riyadh's allies would refuse to accept LNG shipments from the
Just a day after Saudi Arabia and its Arab allies severed transport links with Qatar over a diplomatic row, bans on Doha's fleet using regional ports and anchorages threatened to halt some of its exports and disrupt those of liquefied natural gas (LNG).
Traders worried that Riyadh's allies would refuse to accept LNG shipments from the

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