Opec unity under fresh strain amid Iran-Saudi crisis

Paris

ESCALATING diplomatic tensions between Iran and Saudi Arabia have added fresh strains on Opec's unity as the cartel grapples with a common response to rock-bottom oil prices, experts said.

While it produces a third of the world's oil, the group has struggled with crude values that have tumbled some 60 per cent since mid-2014, falling below US$40.

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