Iranian media on Wednesday claimed that at least 80 people had been killed in Tehran's attack on US bases in Iraq housing US military.
"80 killed in Iran missile attacks on US bases in Iraq," Press TV tweeted, in what US officials in Washington and Tehran said was the first act of the Islamic republic’s promised revenge for the assassination of revered military commander Qasem Soleimani.
The Pentagon said it was still "working on initial battle damage assessments" after "Iran launched more than a dozen ballistic missiles against US military and coalition forces in Iraq."
"It is clear that these missiles were launched from Iran and targeted at least two Iraqi military bases hosting US military and coalition personnel" at Ain al-Asad and Arbil, the Pentagon said.
There were no immediate reports on casualties. The Pentagon said the facilities had been on "high alert" after days of steadily mounting tension and exchanges of threats of war.
Trump, who visited al-Asad with First Lady Melania Trump in December 2018, his first trip to US troops deployed in a war zone, said initial casualty assessments indicated "all is well."
He tweeted that "assessment of casualties & damages taking place now. So far, so good!"
Iranian state television reported an attack on one base housing US personnel, saying it was in response to Friday’s killing in a US drone strike of Iranian general Qasem Soleimani, one of the most important figures in the country’s government.
Also killed was a top Iraqi commander Abu Mahdi al-Muhandis, who was with Soleimani just outside Baghdad international airport when the US drone overhead opened fire.
The Iranian Revolutionary Guards announced that the Ain al-Asad base was hit with dozens of missiles, warning a US counter-attack would be met with an even "more crushing response" and threatening to strike Israel and America’s "allied governments."
"We advise the American people to recall US troops (deployed in the) region in order to avoid further losses and not to allow the lives of its soldiers to be further threatened by the ever-growing hatred of the regime," the IGRC said in a statement.
But Iran’s Foreign Minister Mohammad Javad Zarif seemed to indicate that the missile strikes were over for now.
"Iran took and concluded proportionate measures in self-defence" targeting a base from which a "cowardly armed attack against our citizens and senior officials" was launched, he said on Twitter.
- Major escalation -
The brazenness of the strike was highly unusual for Iran, which has tended to disguise attacks on US interests or troops through the use of proxy forces. This time, conventional, rather than guerrilla-style weapons were used and responsibility was rapidly claimed.
"It is a major escalation. Ballistic missiles openly launched from Iran onto American targets is a new phase," said Phillip Smyth, an expert on Iran-backed militias.
Trump did not go on evening television to address the nation -- something of an informal presidential tradition in times of foreign policy crises. But he said to expect a statement early Wednesday.
Oil prices immediately jumped on the news, with the benchmark WTI spiking more than 4.5 percent to $65.54 a barrel before receding slightly.
In the US, the aviation regulator banned civil flights over Iraq, Iran and the Gulf, citing the potential for "misidentification" of aircraft.
The slide into open confrontation followed days of sabre rattling between Washington and Tehran, coupled with growing confusion over the future of US troops in Iraq, where many are outraged at the drone strike.
At Soleimani’s funeral in Iran on Tuesday, top Revolutionary Guards commander Major General Hossein Salami vowed "revenge."
Earlier, Trump warned that "if Iran does anything that they shouldn’t be doing, they’re going to be suffering the consequences and very strongly."
He called Soleimani -- for years the mastermind of Iran’s regional network of official and covert military and anti-US alliances -- "a monster."
Trump, however, did walk back earlier threats to bomb Iranian cultural sites in the event of conflict -- something that could be a war crime.
At Soleimani’s funeral in the Iranian city of Kerman, tragedy was added to the geopolitical tensions, when 56 people died and 213 were injured in a stampede as the vast crowd of mourners got out of control, local media reported.
Iran’s Fars news agency reported that the commander was interred on Tuesday night.
- Foreign troops waver -
Hours before Iran struck, Trump tried to end confusion over his plans for the approximately US 5,200 troops in Iraq, saying they should stay despite calls by the Iraqi parliament for their expulsion.
"At some point we want to get out, but this isn’t the right point," Trump told reporters at the White House.
Despite Washington’s assurances, several allies started to leave, raising questions over the future of a US-led mission to help the Iraqis fight Daesh.
Canada announced that some of its estimated 500 troops will withdraw to Kuwait and NATO said it also was temporarily "repositioning" some personnel to locations inside and outside Iraq.
Several other countries, including Germany and Romania, announced plans to move forces. France and Italy said they had no intention of withdrawing troops from Iraq.
- Mysterious letter -
On Sunday the Iraqi parliament voted in favor of expelling US troops in response to Soleimani’s killing.
Then on Monday, a letter emerged from the head of Task Force-Iraq, US Brigadier General William Seely, that appeared to announce just such an exit.
Back in Washington, US officials scrambled to deny the idea, calling the letter a mistakenly released draft or, as Trump suggested, a fake.
"I don’t know anything about that letter," Trump told reporters. "I understand it was an unsigned letter. I don’t know if that letter was a hoax, or was it unsigned or what."
Iraq’s prime minister, however, insisted Tuesday that the letter had been taken seriously.
"It’s not a piece of paper that fell off the printer or reached us by coincidence," Abdel Mahdi told a televised cabinet meeting.
Trump said Tuesday he favored eventual withdrawal from Iraq but that under the wrong conditions it would mean a strategic gift to Iran.
With additional information from agencies.
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