A weekend drone attack on Saudi Arabia that cut into global energy supplies and halved the kingdom's oil production threatened Sunday to fuel a regional crisis, as the US released new evidence to back up its allegation that Iran was responsible for the assault amid heightened tensions over Tehran's collapsing nuclear deal.
President Donald Trump said the US had reason to believe it knew who was behind the attack — his secretary of state had blamed Iran the previous day — and assured his Twitter followers that "we are ... locked and loaded" depending on verification and were waiting to hear from the Saudis as to who they believe was behind the attack and "under what terms we would proceed!"
The tweets followed a National Security Council meeting at the White House that included Vice President Mike Pence, Secretary of State Mike Pompeo and Defense Secretary Mark Esper.
A US official said all options, including a military response, were on the table, but said no decisions had been made Sunday. The official spoke on the condition of anonymity to discuss the internal deliberations.
Hours earlier, senior US officials said satellite imagery and other intelligence showed the strike was inconsistent with one launched from Yemen, where Iranian-backed Houthi rebels had claimed responsibility.
Iran, meanwhile, called the US claims "maximum lies," while a commander in its paramilitary Revolutionary Guard reiterated its forces could strike US military bases across the Mideast with their arsenal of ballistic missiles.
WHO CARRIED OUT THE ATTACKS?
The US government produced satellite photos showing what officials said were at least 19 points of impact at two Saudi energy facilities, including damage at the heart of the kingdom's crucial oil processing plant at Abqaiq. Officials said the photos show impacts consistent with the attack coming from the direction of Iran or Iraq, rather than from Yemen to the south.
Iraq denied Sunday that its territory was used for an attack on the Kingdom and US officials said a strike from there would be a violation of Iraq’s sovereignty.
The US officials said additional devices, which apparently didn't reach their targets, were recovered northwest of the facilities and are being jointly analyzed by Saudi and American intelligence.
The officials, who spoke on condition of anonymity to discuss intelligence matters, did not address whether the drone could have been fired from Yemen, then taken a round-about path, but did not explicitly rule it out.
The attacks and recriminations are increasing already heightened fears of an escalation in the region, after a prominent US senator suggested striking Iranian oil refineries in response to the assault, and Iran warned of the potential of more violence.
"Because of the tension and sensitive situation, our region is like a powder keg," said Iranian Brig. Gen. Amir Ali Hajizadeh. "When these contacts come too close, when forces come into contact with one another, it is possible a conflict happens because of a misunderstanding."
Actions on any side could break into the open a twilight war that's been raging just below the surface of the wider Persian Gulf in recent months.
Already, there have been mysterious attacks on oil tankers that America blames on Tehran, at least one suspected Israeli strike on Shiite forces in Iraq, and Iran shooting down a US military surveillance drone.
WHAT’S THE EFFECT ON OIL SUPPLIES?
The attack Saturday on Saudi Arabia's Abqaiq plant and its Khurais oil field led to the interruption of an estimated 5.7 million barrels of the kingdom's crude oil production per day, equivalent to more than 5 percent of the world's daily supply. It remained unclear how King Salman and his assertive son, Crown Prince Mohammed bin Salman, will respond to an attack targeting the heart of the Saudi oil industry.
Crude oil futures shot up 9.5 percent to $60 as trading opened Sunday evening in New York, a dramatic increase. A spike in oil prices could have negative effects for the global economy.
Saudi Arabia has promised to fill in the cut in production with its reserves, but has not said how long it will take to repair the damage. The Wall Street Journal cited Saudi officials as saying a third of output would be restored on Monday, but a return to full production may take weeks.
Trump said he had approved the release of US strategic petroleum reserves "if needed" to stabilise energy markets. The president said the final amount of the release, if any, would be "sufficient to keep the markets well-supplied."
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