FBI director Kash Patel announced that the agency has stopped a potential terrorist attack planned for this weekend.

Patel made the announcement on X, Friday morning, writing, “This morning the FBI thwarted a potential terrorist attack and arrested multiple subjects in Michigan who were allegedly plotting a violent attack over Halloween weekend. More details to come.”

Update 12:18 p.m. ET, Oct. 31: Two law enforcement sources said that the terrorist attack was inspired by ISIS, CNN reported.

The plotting apparently happened in online chatrooms.

One official told CNN that an undercover FBI person was introduced into the chatroom. Two people were arrested and three others are being questioned, the official said.

People dressed in FBI shirts were at a home in Dearborn with one carrying paper bags and other items from an evidence truck, The Associated Press reported.

Michigan Gov. Gretchen Whitmer issued a statement on X.com, which read, “This morning, I was briefed by Director Patel on the thwarted potential terrorist attack in our state. As details continue to develop, I am grateful for the swift action of the FBI and MSP protecting Michiganders.”

Original report: No other details were provided by the director.

The Dearborn Police Department confirmed that the FBI conducted an operation this morning, WDIV reported.

“We want to assure our residents that there is no threat to the community at this time,” the department said on Facebook.

Local police were alerted to the operation hours before it happened, CBS News reported. The agents were in Dearborn and Inkster outside of Detroit.

NBC News said that the alleged plot does involve federal charges and arrests, but that the court documents were still sealed as of Friday morning.

Check back for more on this developing story.

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