People hold cards that read "I am Charlie" to pay tribute to the victims of a shooting by gunmen at the...
People hold cards that read "I am Charlie" to pay tribute to the victims of a shooting by gunmen at the offices of French weekly newspaper Charlie Hebdo in Paris, during a memorial ceremony organized by local representatives of Union des Frances de L'Etranger, in Shanghai January 9, 2015. French anti-terrorist police sealed off a small northern town and helicopters hovered overhead after a police source said two men believed to have carried out an attack on a satirical journal took at least one person hostage in a small print works. REUTERS/Aly Song (CHINA - Tags: POLITICS MEDIA CRIME LAW)