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There has been unease in the region after attacks in June and July on oil tankers in Gulf waters.
 It would thus appear that there are forces out there that are determined to cripple the economy
 of the desert kingdom.

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Smoke is seen following a fire at an Aramco factory in Abqaiq, Saudi Arabia, September 14

Surprisingly, Iran has denied supplying the Houthis with weapons, although the U.N., the West 
and Gulf Arab nations insist Tehran does. Drone models identical to those used by Iran have 
been used by the rebels. 

The chances are that the attack will heighten tensions further across the wider Persian Gulf amid a confrontation between the U.S. and Iran over its unravelling nuclear deal with world powers.

Tensions are running high in the region after attacks in June and July on oil tankers in Gulf waters that Riyadh and Washington blamed on Iran