MINNEAPOLIS (WCCO) — More Minnesotans are in custody Saturday for providing support to terrorist groups.

A source tells WCCO that FBI agents arrested at least six people in Minneapolis and San Diego for suspicion of trying to join ISIS. Authorities say efforts of a joint terrorism task force led to the arrests.

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The six people taken into custody may be connected to the on-going investigation of Twin Cities residents traveling to Syria to support ISIS over the last year, according to the source.

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U.S. Attorney’s Office in Minnesota and the FBI are holding a news conference Monday morning to provide more details.

Authorities say there is no threat to the public safety.

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Last fall, 19-year-old Hamza Ahmed was stopped at a New York airport as he tried to travel to Syria. He pleaded not guilty to charges of supporting the terrorism group and lying to the FBI. He’s scheduled to be in court in May.