(FOX NEWS) -- Authorities have arrested a man allegedly on his way to the U.S. Capitol for what he thought would be a suicide attack on one of the nation's most symbolic landmarks, Fox News has learned exclusively.
The man, in his 30s and of Moroccan descent, was nabbed following a lengthy investigation by the FBI, initiated after he expressed interest in conducting an attack. It's unclear how the FBI learned of his aspirations.
The man thought undercover FBI agents assisting him in his plot were associates of Al Qaeda.
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