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STRASBOURG, FRANCE – DECEMBER 12: Police officers patrol in front of the cathedral near the Christmas market where the day before a man shot 14 people, killing at least three, on December 12, 2018 in Strasbourg, France. Police have identified the man as Cherif Chekatt, a French citizen on a police terror watch-list. Chekatt exchanged gunfire with soldiers after the attack, is reportedly injured and is still on the loose. (Photo by Thomas Lohnes/Getty Images)