U.S. Ambassador to the United Nations Kelly Craft told the Security Council on Monday that emerging information on attacks on Saudi oil facilities "indicates that responsibility lies with Iran" and that there is no evidence the attack came from Yemen.
Britain's UN Ambassador Karen Pierce told the 15-council: "We're still assessing what happened and who's responsible for the attacks. Once this has been established we will discuss with our partners how to proceed in a responsible manner."
The Saudi-led military coalition battling Yemen's Houthi movement said earlier on Monday that the attack on Saudi oil plants was carried out by Iranian weapons and did not originate from Yemen according to preliminary findings.
Coalition spokesman Colonel Turki al-Malki told a press conference in Riyadh that an investigation into Saturday's strikes, which had been claimed by the Houthi group, was still ongoing and authorities were trying to ascertain the launch location.
Meanwhile, Iranian President Hassan Rohani said Monday that the attack on the Aramco oil facilities was a reciprocal measure by "Yemeni people" to assaults on this country, hours after a Saudi-led coalition said the attacks were carried out with Iranian weapons.
"Yemeni people are exercising their legitimate right of defense ... the attacks were a reciprocal response to aggression against Yemen for years," Rohani told a joint news conference with his Russian and Turkish counterparts.
U.S. Defense Secretary Mark Esper said the attack was "unprecedented" and the United States, along with its allies, was working to defend the "international rules-based order that is being undermined by Iran."
Esper said on Twitter he had returned to the Pentagon after a meeting at the White House, where Defense Department leadership and others briefed President Donald Trump on the situation.
Esper added that over the weekend he spoke with Saudi Arabia's crown prince and the Iraqi minister of defense.
Trump on Sunday said the U.S. is "locked and loaded" to respond to a weekend drone assault on Saudi Arabia's energy infrastructure that his aides blamed on Iran.
Trump further fueled tension in a tweet on Monday, saying, "Remember when Iran shot down a drone, saying knowingly that it was in their “airspace” when, in fact, it was nowhere close. They stuck strongly to that story knowing that it was a very big lie. Now they say that they had nothing to do with the attack on Saudi Arabia. We’ll see?"
The attack, which halved the kingdom's oil production and sent crude prices spiking, led Trump to authorize the release of U.S. strategic reserves should they be necessary to stabilize markets.
Trump said the U.S. had reason to believe it knew who was behind the attack his secretary of state had blamed on Iran the previous day and said his government was waiting to consult with the Saudis as to who they believe was behind the attack and "under what terms we would proceed!"
The tweets Sunday followed a National Security Council meeting at the White House and hours after U.S. officials offered what they said was proof that the attack was inconsistent with claims of responsibility by Yemen's Iran-backed Houthi rebels and instead pointed the finger directly at Tehran.
Israel is prepared for the possibility it might be drawn into any U.S.-Iranian confrontation over the strike on the oil plant, Prime Minister Benjamin Netanyahu said on Monday.
"I am taking care of our security on a 360 degree basis, and I can tell you that we are well-prepared," Netanyahu, who hopes for reelection in a national ballot on Tuesday, told Army Radio when asked whether Iran might try to provoke Israel.
A U.S. official said all options, including a military response, were on the table, but added that no decisions had been made. The official spoke on the condition of anonymity to discuss the internal deliberations.
Iran called the U.S. claims "maximum lies" and threatened American forces in the region. The attack dimmed hopes for potential nuclear talks between Trump and Iranian President Hassan Rouhani at the U.N. General Assembly this week.
The U.S. 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 that its territory was used for an attack on the kingdom. U.S. officials said a strike from there would be a violation of Iraq's sovereignty.
The U.S. 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 U.S. 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 U.S. military surveillance drone.
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% of the world's daily supply. It remains 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% to $60 as trading opened Sunday evening in New York, a dramatic increase.
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.
In Washington, Trump said he had approved the release of U.S. strategic petroleum reserves "if needed" to stabilize energy markets. The president said the final amount of the release, if any, would be "sufficient to keep the markets well-supplied."
He later credited himself for expanding U.S. energy exports in a Monday morning tweet, writing: "We don't need Middle Eastern Oil & Gas, & in fact have very few tankers there, but will help our Allies!"
Iranian Foreign Ministry spokesman Abbas Mousavi dismissed the U.S. allegation of responsibility as "blind and futile comments."
"The Americans adopted the 'maximum pressure' policy against Iran, which, due to its failure, is leaning toward 'maximum lies,'" Mousavi said in a statement.
Houthi leader Muhammad al-Bukhaiti reiterated his group's claim of responsibility, telling The Associated Press it exploited "vulnerabilities" in Saudi air defenses to strike the targets. He did not elaborate.
Iran, meanwhile, kept up its own threats. Hajizadeh, the brigadier general who leads the country's aerospace program, said in an interview published across Iranian media Sunday that Revolutionary Guard forces were ready for a counterattack if America responded, naming the Al-Udeid Air Base in Qatar and Al-Dhafra Air Base near Abu Dhabi in the United Arab Emirates as immediate targets, as well as U.S. Navy ships in the Persian Gulf and the Arabian Sea.
"Wherever they are, it only takes one spark and we hit their vessels, their air bases, their troops," he said in a video published online with English subtitles.
Trump insisted that unspecified conditions must be met before he would sit down with the Iranian leader, apparently rejecting the comments of two top advisers.
"The Fake News is saying that I am willing to meet with Iran, 'No Conditions.' That is an incorrect statement (as usual!)." In fact, Treasury Secretary Steven Mnuchin said last week that "the president has said that he is prepared to meet with no conditions." And Pompeo had told reporters days earlier that "the President has made clear he is happy to take a meeting with no preconditions."
Iran has said it was unwilling to meet with Trump while crushing sanctions the American leader imposed on Tehran after unilaterally withdrawing from the 2015 nuclear accord over a year ago remain in place.
Reuters contributed to this report
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