The U.S. Federal Bureau of Investigation (FBI) says it has prevented a potential terrorist attack in Michigan after detaining several suspects allegedly plotting to strike during the Halloween weekend. FBI Director Kash Patel confirmed the arrests in a post on X, calling it a“critical success in protecting American lives.”

Patel said the suspects were taken into custody as they were finalising plans for an attack, though further details, including the number of arrests and their identities, have not yet been released. Authorities said additional information would be made public following ongoing investigations.

According to reports, the suspects had been under surveillance for several weeks. Law enforcement officials described the operation as a“preemptive strike” that neutralised the threat before it could be carried out.

The FBI said close coordination between federal and local agencies was key to stopping the planned attack.“The safety of citizens remains our top priority,” the bureau said in a statement, praising the collaboration that led to the arrests.

Local authorities in Michigan have increased security patrols in public areas and urged residents to remain vigilant, particularly around large gatherings and holiday events. Officials stressed that there is currently no indication of an ongoing threat.

Security analysts said the foiled plot underscores the continued risk of domestic terrorism in the United States and the importance of early detection and interagency cooperation. They noted that such preemptive actions demonstrate how intelligence sharing can prevent potential mass-casualty incidents.

Observers say the successful operation may strengthen public confidence in U.S. counterterrorism efforts amid a recent uptick in online extremist activity. Federal officials are expected to brief Congress on the investigation's findings once further details are confirmed.

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