US sounds global alert after Iran strikes as Trump rallies allies in crisis talks

The State Department urged Americans, especially in the Middle East, to monitor embassy alerts as airspace closures threatened travel plans
UPDATED FEB 28, 2026
Protesters held flags and banners while chanting on February 28, 2026 in Dublin, Ireland. The Iranian diaspora in Dublin gathered in support of regime change in Iran (Natalia Campos/Getty Images)
Protesters held flags and banners while chanting on February 28, 2026 in Dublin, Ireland. The Iranian diaspora in Dublin gathered in support of regime change in Iran (Natalia Campos/Getty Images)

WASHINGTON, DC: The US Department of State on Saturday, February 28, urged US citizens worldwide to “exercise increased caution” following US and Israeli military strikes against Iran.

In a worldwide caution alert, the department said that Americans, particularly those in the Middle East, should closely follow the latest security guidance from the nearest US embassy or consulate.

“Following the launch of US combat operations in Iran, Americans worldwide and especially in the Middle East should follow the guidance in the latest security alerts issued by the nearest US embassy or consulate,” the alert said.

A barricade is seen in front of the U.S. Capitol on February 28, 2026 in Washington, DC. U.S. President Donald Trump announced that the United States and Israel had launched an attack on Iran Saturday morning. (Kevin Dietsch/Getty Images)
A barricade is seen in front of the Capitol on February 28, 2026, in Washington, DC (Kevin Dietsch/Getty Images)

Airspace closures and travel disruptions possible

The advisory warned of potential travel disruptions due to periodic airspace closures in parts of the region.

“They may experience travel disruptions due to periodic airspace closures,” the alert said, reiterating that Americans should remain vigilant.

US citizens abroad were also encouraged to enroll in the Smart Traveler Enrollment Program (STEP) and to follow official security update channels on WhatsApp for real-time information.

The State Department noted that it issued a similar worldwide caution alert last June, coinciding with earlier US strikes on Iranian nuclear facilities.

CORPUS CHRISTI, TEXAS - FEBRUARY 27: U.S. President Donald Trump speaks at the Port of Corpus Christi on February 27, 2026 in Corpus Christi, Texas. Trump visited Texas to deliver remarks on affordability and economic issues less than a week before the state's midterm primary elections on March 3rd. (Photo by Roberto Schmidt/Getty Images)
President Donald Trump speaks at the Port of Corpus Christi on February 27, 2026, in Corpus Christi, Texas (Roberto Schmidt/Getty Images)

Trump consults regional and NATO leaders

Following the launch of US military operations, Donald Trump held calls with several international leaders, according to White House Press Secretary Karoline Leavitt.

“President Trump has spoken with the leaders of Saudi Arabia, Qatar, UAE, and the NATO Secretary General Mark Rutte,” Leavitt wrote in a post on X.

She also confirmed that Trump spoke earlier with Benjamin Netanyahu, underscoring close coordination with Israel amid the escalation.

Smoke rises on the skyline after an explosion in Tehran, Iran, Saturday, Feb. 28, 2026.(AP Photo)
Smoke rises on the skyline after an explosion in Tehran, Iran, Saturday, February 28, 2026 (AP Photo)

US Central Command reports no US casualties

The US Central Command said the United States had not suffered any combat-related casualties in the operation against Iran.

In a statement, CENTCOM said damage to US installations was minimal and had not affected military operations.

The command said the operation, launched early Saturday morning, was aimed at dismantling Iran’s security apparatus and focused on sites deemed to pose an imminent threat.

People watch as smoke rises on the skyline after an explosion in Tehran, Iran, Saturday, Feb. 28, 2026 (AP Photo)
People watch as smoke rises on the skyline after an explosion in Tehran, Iran, Saturday, February 28, 2026 (AP Photo)

Military targets and command statement

According to CENTCOM, targets included IRGC command-and-control facilities, Iranian air defense systems, missile and drone launch sites, and military airfields.

“The President ordered bold action, and our brave Soldiers, Sailors, Airmen, Marines, Guardians, and Coast Guardsmen are answering the call,” said Adm Brad Cooper, the commander of CENTCOM.

US officials said operations remained ongoing, while diplomatic and security advisories continued to be updated for Americans abroad.

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