French police officials gather at the site of an attack near the entrance of Notre-Dame cathedral in Paris on June 6, 2017. Anti-terrorist prosecutors have opened a probe after police shot and injured a man who had tried to attack an officer with a hammer outside Notre Dame cathedral. The officer was slightly injured in the attack outside the world-famous landmark in central Paris. One of his colleagues responded by shooting him, wounding the attacker, whose motives were not immediately known, according to a police source. / AFP PHOTO / bertrand GUAY (Photo credit should read BERTRAND GUAY/AFP via Getty Images)
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AFP BERTRAND GUAY