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ISIS reportedly claims responsibility for Paris attack that left 1 officer dead
Police in France are looking for more clues and other possible suspects after a gunman, identified as Karim Cheurfi, opened fire at the Champs-Élysées in Paris on Thursday, killing an officer and injuring two others. The alleged attacker, who was reportedly not on a French terrorist watch list, was fatally shot. NBC’s Richard Engel reports for TODAY.