Iran’s elite Revolutionary Guards (IRGC) are “highly likely” to have facilitated attacks last Sunday on four tankers including two Saudi ships off Fujairah in the United Arab Emirates, according to a Norwegian insurers’ report seen by Reuters.

The UAE, Saudi Arabia and Norway are investigating the attacks, which also hit a UAE- and a Norwegian-flagged vessel.

A confidential assessment issued this week by the Norwegian Shipowners’ Mutual War Risks Insurance Association (DNK) concluded that the attack was likely to have been carried out by a surface vessel operating close by that despatched underwater drones carrying 30-50 kg (65-110 lb) of high-grade explosives to detonate on impact.

The attacks took place against a backdrop of U.S.-Iranian tension following Washington’s decision this month to try to cut Tehran’s oil exports to zero and beef up its military presence in the Gulf in response to what it called Iranian threats.

Read more HERE