Thousands of people gather for a moment of silence to pay their respects to the victims of the deadly attack at the Paris offices of French satirical newspaper Charlie Hebdo, in Lyon, central France, Wednesday, Jan. 7, 2015. Masked gunmen stormed the Paris offices of a weekly newspaper that caricatured the Prophet Muhammad, killing at least 12 people, including the editor, before escaping in a car. It was France’s deadliest postwar terrorist attack.