Iran said on Wednesday it had attacked 10 ships near the Strait of Hormuz after the US sank five Iranian oil tankers, in the biggest declared wave of tit-for-tat attacks on shipping by both sides since the start of the six-month-old war.
The attacks sent the price of oil surging, with benchmark Brent crude futures breaching $100 a barrel for the first time since July. At least one seafarer aboard a tanker was reported killed and another listed as missing.
Iran also said it had fired ballistic missiles at a base used by US forces in Jordan. Attacks by both sides since the end of August have shattered a month of relative calm, with the US and Iran hitting military, shipping and energy assets.
The Revolutionary Guards said they would sharply escalate their response to any further attacks, hitting 20 targets if the enemy struck two or three. Iran would soon release maps of a new, enlarged off-limits zone at sea that would extend as far as Chabahar on the far reaches of Iran’s coast near Pakistan, the Guards said.
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UN Secretary-General Antonio Guterres appealed to all sides to “exercise utmost restraint” and avoid inflaming the already volatile situation in and near the Strait of Hormuz.
Recent days have also seen an escalation in fighting between Saudi Arabia and the Houthis in Yemen, a second theatre of war that threatens global energy supplies from the Middle East.
Read moreHouthi attacks disrupt Saudi oil facilities and wound more than 70
Iranian tankers ablaze
The Americans said they destroyed five Iranian oil tankers overnight, releasing video of ships ablaze before they sank.
The US military’s Central Command called its attacks a response to Iran’s Islamic Revolutionary Guard Corps targeting a US Navy warship twice with ballistic missiles over the previous two days. No Americans were harmed, the US said.
Washington has announced a new policy of attacking Iranian tankers in retaliation for fire that threatens its warships, and says it has hit 10 so far over the past week.
“Iran continues to try to hit US naval ships, and for every time they do that or try to do that, they’re going to lose tankers,” US Secretary of State Marco Rubio told reporters during a visit to Colombia.
Iran said it fired on two US ships and eight tankers in response.
One seafarer was killed aboard the oil products tanker Hercules Star while at anchorage off Dubai and another crew member was missing, the vessel’s charterer, Peninsula, said. Maritime security sources said it may have been hit by a drone.
The British maritime security agency UKMTO described a vessel in the vicinity that was listing, possibly taking on water after being struck by a projectile. Reuters could not immediately determine whether this referred to the same ship.
Read moreHas Iran modified its rocket systems to fire mines into the Strait of Hormuz?
Two Iraqi port officials said a tanker carrying 2 million barrels of fuel oil, the New Andros, had caught fire after being struck by a drone in Iraqi waters. There were no reports of casualties among the 22 crew.
The UKMTO said it had received reports of several merchant ships struck by disabling fire in the northern Gulf and Gulf of Oman, on either side of the strait.
Iran also threatened oil tankers in Kuwaiti and Bahraini ports, according to a statement carried by state media. A maritime security source reported a liquefied natural gas tanker was damaged in the Emirati port of Khor Fakkan.
The IRGC also said on Wednesday it had fired ballistic missiles at a base used by US forces near Al Azraq, in eastern Jordan. Jordan said its air defences had intercepted 18 of the 20 Iranian missiles, with two falling harmlessly in unpopulated areas. A US official said Iran’s strikes in Jordan were ineffective and all American troops were accounted for.
An explosion was heard in the southern part of the Iranian port city of Jask, coming from the sea, Iran’s Fars news agency reported late on Wednesday. It said no details were available on the source or cause of the blast.
Strait choked off
In recent weeks Washington had boasted of increasing success guiding tankers through the strait, which carried a fifth of oil supplies before the war. But any such gradual reopening appears to have been set back by a resumption of fighting this month.
Claudio Galimberti, chief economist at consultancy Rystad Energy, said flows through Hormuz had fallen back as low as 2 million barrels per day, having reached as high as 8 million to 9 million bpd in the week before fighting resumed on August 30.
Even more severe than the rise in crude prices has been a surge in the cost of the fuels refined from it. The politically sensitive average retail price of US diesel hit a fresh all-time high on Wednesday above $5.94 a gallon.
Escalating combat between Saudi Arabia and the Iran-aligned Houthi movement that controls most populated parts of Yemen has created additional uncertainty for energy markets.
On Tuesday, the Houthis launched an attack on four cities in Saudi Arabia, causing huge fires visible from space at oil installations. Saudi authorities said 73 people were wounded.
Saudi authorities announced alerts on Wednesday in two of the cities hit the previous day, but later said the threat had passed.
A Saudi-backed government based in the south of Yemen has launched a multi-pronged assault on areas controlled by the Houthis, who have threatened Saudi shipping in the Red Sea.
(FRANCE 24 with Reuters)
