A U.S. attorney said the attack was ` ` imminent '' and the threat was ` ` very real '' `` We arrested him when the attack was imminent , '' O'Neill said . Authorities thank the Muslim community for helping in the investigation . Sami ##r 's attack included a car bombing , suicide bombing , federal prosecutors say . The century - old man is ` ` self - employed , '' not tied to any terror group , a source says .
A U.S. attorney said the attack was ` ` imminent '' and the threat was ` ` very real '' Authorities thank the Muslim community for helping in the investigation . Sami ##r 's attack included a car bombing , suicide bombing , federal prosecutors say . The century - old man is ` ` self - employed , '' not tied to any terror group , a source says .