The attack was retaliation for the “unprovoked aggression against Iran’s territorial integrity and national sovereignty” by the US on Sunday, when it hit three of Iran’s nuclear sites, Esmaeil Baghaei wrote on X.

He emphasised that Iran values its ties with neighbours, and warned that the US is trying to cause “division” in the region.

The Iranian armed forces on Monday launched a missile barrage against the Al Udeid Air Base in Qatar that serves as the forward headquarters for US Central Command (CENTCOM).

The response was described by the forces as a powerful and devastating strike against the outpost that also functions as the forward headquarters of the US Air Force Central Command (AFCENT).

It came in retaliation for Sunday morning attacks by the US against three peaceful nuclear facilities in the north-central and central parts of Iran.

The attack was retaliation for the “unprovoked aggression against Iran’s territorial integrity and national sovereignty” by the US on Sunday, when it hit three of Iran’s nuclear sites, Esmaeil Baghaei wrote on X.

He emphasised that Iran values its ties with neighbours, and warned that the US is trying to cause “division” in the region.

The Iranian armed forces on Monday launched a missile barrage against the Al Udeid Air Base in Qatar that serves as the forward headquarters for US Central Command (CENTCOM).

The response was described by the forces as a powerful and devastating strike against the outpost that also functions as the forward headquarters of the US Air Force Central Command (AFCENT).

It came in retaliation for Sunday morning attacks by the US against three peaceful nuclear facilities in the north-central and central parts of Iran.

Other scenarios for potential Iranian targeting of US officials include if Tehran considers them to be involved in the deaths of senior Iranian leaders or believes US airstrikes will continue, according to the bulletin from DHS’ Office of Intelligence and Analysis, which was sent to state and local law enforcement and is dated June 22.

On Monday, Iran fired missiles towards a US military base in Qatar in retaliation for the US strikes on Iran, according to two officials familiar with the matter.

But the DHS bulletin is one of the clearest connections yet drawn by US intelligence and law enforcement analysis about the potential violent backlash against civilian government officials for President Donald Trump’s decision to bomb Iranian nuclear sites.

“It is our duty to keep the nation safe and informed, especially during times of conflict,” Homeland Security Secretary Kristi Noem said in a statement to CNN when CNN asked DHS for comment on the bulletin.

“The ongoing Israel-Iran conflict brings the possibility of increased threat to the homeland in the form of possible cyberattacks, acts of violence, and antisemitic hate crimes,” Noem added.

The bulletin does not specify what the “targeting” of US officials might look like but the Justice Department has previously alleged that Iran has tried to kill Trump and his former national security adviser, John Bolton, in retaliation for a 2020 US military strike that killed Iran’s top anti-terror commander, Lieutenant General Qassem Soleimani.

“We have not yet observed Tehran threaten this kind of retaliatory action in response to the US airstrikes, and recent law enforcement action could challenge Iran’s ability to execute a plot against US officials in the short-term,” the bulletin said.

Trump raised the topic of regime change in Iran in a social media post on Sunday evening.

“It’s not politically correct to use the term, ‘Regime Change,’ but if the current Iranian Regime is unable to MAKE IRAN GREAT AGAIN, why wouldn’t there be a Regime change??? MIGA!!!” Trump wrote.

White House press secretary Karoline Leavitt on Monday stated that Trump was “simply raising a question” when he brought up the topic.

CNN reported last year that intelligence about a threat from Iran to Trump led the Secret Service to step up security around the then-presidential candidate. Ultimately, those protections did not prevent a security lapse that allowed a 20-year-old lone gunman unaffiliated with Iran to nearly kill Trump at a July 2024 rally in Pennsylvania.

Several top former Trump aides who continued to have security details due to the threat from Iran have since faced retribution from their former boss and had those details pulled. In the years since the US killing of Soleimani, multiple former Trump administration officials have beefed up their personal security details.

The new DHS bulletin, labeled “For Official Use Only,” adds more context to the department’s public warning on Sunday of a “heightened threat environment” in the US, citing the possibility of “low-level cyberattacks” and continued potential of lone-wolf attacks.

Days before the US strikes on Iran, law enforcement officials told CNN that they were reexamining known or suspected Hezbollah associates in the US, looking for possible threats that could arise as tensions with Iran increase. There’s no indication of credible threats at this time, the sources said.

Iran’s security services often use hacking to gather intelligence on targets of assassination or surveillance, Iran-focused cybersecurity experts have told CNN. A former Trump official and onetime confidant of Bolton was hacked in 2022, in a possible effort to track Bolton’s movements as part of the assassination plot, CNN previously reported, not naming the ex-official.

“In the short-term, we are most concerned that Iran-aligned hacktivists will conduct low-level cyberattacks against US networks, including distributed denial-of-service attacks,” the new DHS bulletin obtained by CNN noted.

“We are also concerned about cyber or physical attacks against critical infrastructure in the Homeland,” it added.