WASHINGTON (AP) — Some personnel at a key U.S. military base in Qatar have been advised to evacuate by Wednesday evening, a U.S. official said. The decision came as a senior official in Iran brought up an earlier Iranian attack there.

The official, who spoke to The Associated Press on Wednesday on the condition of anonymity to discuss sensitive plans, described the move at the base as a precautionary measure. The official wouldn’t go into any further details about the move, including whether the evacuation was optional or mandatory, if it affected troops or civilian personnel, or the number of those advised to leave, citing the need for operational security.

It comes as anti-government protests in nearby Iran continue and President Donald Trump has said that he is willing to conduct military operations in the country if the government continues to retaliate against the protesters.

The base, which hosts thousands of U.S. service members, was targeted by Iran in June in retaliation for U.S. strikes on its nuclear facilities.

Ali Shamkhani, an adviser to Supreme Leader Ayatollah Ali Khamenei, on the social platform X wrote “the #US President, who repeatedly talks about the futile aggression against #Iran’s nuclear facilities, would do well to also mention the destruction of the US base in #Al-Udeid by Iranian missiles.”

“It would certainly help create a real understanding of Iran’s will and ability to respond to any aggression,” he added.

Reuters first reported on the changes at the base.

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Associated Press writer Farnoush Amiri in New York contributed to this report.