Live updates | U.K., Germany, France say they'll defend their interests and allies against Iran's attacks

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British Prime Minister Keir Starmer, French President Emmanuel Macron and German Chancellor Friedrich Merz said in a joint statement that they are ready to work with the U.S. To help stop Iran's retaliatory attacks, The Associated Press has reported.

The leaders said they are "appalled" by Iran's "reckless" strikes on their allies.

"We will take steps to defend our interests and those of our allies in the region, potentially through enabling necessary and proportionate defensive action to destroy Iran's capability to fire missiles and drones at their source. We have agreed to work together with the U.S. And allies in the region on this matter," the statement said.

U.S. Sen. Mark Kelly, a Democrat from Arizona who flew combat missions in the Gulf War, is questioning whether the Trump administration has a strategy for what follows the military operation against Iran.

"My sense is they did not go into this with any kind of strategic plan. It was an operation with no discussion about what comes next," Kelly told NBC's Meet the Press on Sunday.

"Khamanei being dead is a good thing but what is this about?" he said. "The president said the Iranian nuclear capability was obliterated last summer. So is this about that or is it about ballistic missiles?"

Kelly said it would be "incredibly challenging" to overthrow the Iranian regime without putting U.S. Troops on the ground in Iran — something Republicans have vowed not to do.

There's a traffic jam forming at the mouth of the world's busiest oil corridor.

Marine tracking maps show more than 200 ships anchored near the Strait of Hormuz now — waiting, instead of venturing closer to the war zone this waterway bordering Iran has become. Each red dot on the map represents one parked tanker, as the cost of insurance and delays mount.

At least three tankers were damaged here and one sailor was killed as Iranian retaliatory strikes exposed ships to collateral damage. The strait isn't entirely closed, but Iran's Revolutionary Guard has warned some by radio that ships are not allowed to pass.

The slowdown could affect one-fifth of the world's oil and liquified natural gas output, as suppliers like Saudi Arabia, Kuwait and Qatar are blocked from deliveries to their main customers in China and South Korea.

The choke on supplies could affect the whole world.

Iran protests: Who is Reza Pahlavi?

The son of Iran's last shah, seen by some opponents of the Islamic regime as a potential future leader of the country, says he has a plan for a transition to democracy.

Reza Pahlavi, living in exile in the U.S., says it's time for a "strong stable transition" of power in Iran.

"I am leading this transition. I have the support of millions of Iranian people," Pahlavi told the Fox News program Sunday Morning Futures.

"The military will side with us. We have a plan of action and a transition plan."

He described the plan as a transition to "a democratic outcome" for the Iranian people to choose their government within "a couple of years at the most."

Pahlavi's father was overthrown in the 1979 Islamic revolution. The monarchy had wielded power in Iran since a 1953 coup backed by the CIA.

While some Iranian Canadians are celebrating Khamenei's death, others lament that Iran's supreme leader won't be forced to stand trial.

At the same time, she said she's bothered that Khamenei got the "easy way out" and could now be seen as a martyr by his supporters.

"For justice purposes, what I would have loved is to see him stand on trial in an international tribunal at the International Criminal Court," she said, "because I know so many of these victims, and I know they would have wanted to see him humiliated."

Kaveh Shahrooz, a human rights lawyer and senior fellow at the Macdonald-Laurier Institute (a policy think-tank in Ottawa), said he was "thrilled" by Khamenei's death, but that it was "far better than what he would have deserved."

How are Iranian Canadians reacting to the death of Supreme Leader Ayatollah Ali Khamenei?

Chief political correspondent Rosemary Barton speaks with Iranian Canadian human rights activist Nazanin Afshin-Jam. Plus, lawyer and human rights activist Kaveh Shahrooz discusses what efforts will be underway to ensure a smooth transition to democracy. And, Iranian Canadian musician Amir Amiri talks about what he is hearing from friends and family in Iran.

Amir Amiri said he was at a rally in Montreal with other Iranian Canadians when the news broke, and the crowd "erupted" as people began crying and dancing in the street. 

"We're all very jubilant," he said. 

"There is a hopeful optimism that we can be together and we can turn a page."

The U.S. Military says an airstrike destroyed the headquarters of Iran's paramilitary Islamic Revolutionary Guard Corps (IRGC). 

"The IRGC killed more than 1,000 Americans over the past 47 years. Yesterday, a large-scale U.S. Strike cut off the head of the snake," U.S. Central Command said on Sunday in a social media post.  

"The IRGC no longer has a headquarters."

The IRGC is the branch of the Iranian armed forces whose mission is to protect the Islamic regime, according to U.S. And Israeli intelligence. 

In such a massive air operation, a highly specialized force is held back from the main action, ready to respond in the event of a downed American pilot. While we don't know what equipment and personnel were involved in the U.S. Attack on Iran, we do know the capability is called combat search and rescue (CSAR). 

While most of Iran's anti-aircraft firepower has been destroyed, there is still a risk of being shot down. A pilot could also experience a mechanical failure in Iranian or other hostile airspace and be forced to eject from the plane, and parachute back to the ground. 

The activation of an ejection seat immediately signals the U.S. Command centre — the Combined Aerospace Operations Center — of all air operations of a pilot in danger, and helicopters with CSAR teams would be deployed. 

Unlike regular search-and-rescue teams, these crews are trained as special forces assaulters: they go in expecting to shoot their way to a rescue. 

In training, they're often supported in the air by an AC-130 Hercules gunship, which can fly very low and has a large number of close-range weapons systems. Above them would be additional fighter jets, all of them equipped with heat sensors to recognize if a person or vehicle was approaching their downed pilot. 

Although not all their interventions are made public, CSAR teams were deployed when a U.S. F-14 fighter jet was downed over Iraq 35 years ago. 

In a new statement, Foreign Affairs Minister Anita Anand says Canada has deployed "surge consular support" to the surrounding region, including Turkey, Azerbaijan, Kazakhstan, Armenia, Jordan and Israel.

"We condemn the Iranian Regime's indiscriminate attacks against civilian infrastructure across the region, including in the UAE, Qatar, Saudi Arabia, Kuwait, Bahrain, Oman and Jordan," Anand said.

"These attacks are a dangerous threat to regional stability and civilian safety. We continue to urge a diplomatic resolution to the situation in the interests of civilian lives."

While Trump has justified the military operation by saying Iran was attempting to rebuild a nuclear weapons program after the U.S. Strikes on its facilities last June, it's not clear how far the regime had progressed along that path. 

Republican Sen. Ted Cruz says Iran had "an ongoing desire" to restart its weapons program. 

"I don't have present-day intelligence on what progress they had made towards rebuilding nuclear weapons since we bombed their facilities," Cruz told the CBS program Face the Nation on Sunday. 

"I have no indications they were anywhere close to getting nuclear weapons, because our bombing was devastating."

He said last June's strikes "weakened the regime" and helped set up the current Operation Epic Fury. 

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