France shows no fear

Thousands of people have gathered in Paris and other French cities for a vigil, many holding up placards saying "Je suis Charlie" (I am Charlie), referring to a hashtag that is trending on Twitter in solidarity with the victims.

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Albanian journalists hold pictures of French satirical weekly Charlie Hebdo's cartoonists (From L) Jean Cabut aka Cabu, Charb and Tignous during a gathering in solidarity with the victims of the terror attack at Charlie Hebdo in Paris earlier today, in Tirana on January 7, 2015. France's Muslim leadership sharply condemned the shooting at the Paris satirical weekly that left at least 12 people dead as a 'barbaric' attack and an assault on press freedom and democracy. (AFP/Getty Images)

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People stand on the statue of the Republic square next to a graffiti reading 'I am Charlie' in Paris, on January 7, 2015, during a rally to show their solidarity for the victims of the attack by unknown gunmen on the offices of the satirical weekly, Charlie Hebdo. Heavily armed gunmen massacred 12 people on Wednesday after bursting into the Paris offices of a satirical weekly that had long outraged Muslims with controversial cartoons of the prophet Mohammed. (AFP/Getty Images)

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People gather during a vigil in Lyon on January 7, 2015, following an attack by unknown gunmen on the offices of the satirical weekly, Charlie Hebdo in the capital. France's Muslim leadership sharply condemned the shooting at the Paris satirical weekly that left at least 12 people dead as a 'barbaric' attack and an assault on press freedom and democracy. (AFP/Getty Images)

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Women hold a banner that reads in French, 'I am Charlie' during a vigil at the Old Harbor in Marseille on January 7, 2015, following an attack by unknown gunmen on the offices of the satirical weekly, Charlie Hebdo in Paris earlier in the day. France's Muslim leadership sharply condemned the shooting at the Paris satirical weekly that left at least 12 people dead as a 'barbaric' attack and an assault on press freedom and democracy. (AFP/Getty Images)

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People hold placards reading, 'I am Charlie' in Clermont-Ferrand, on January 7, 2015, during a rally in support of the victims of the attack by unknown gunmen on the offices of the satirical weekly, Charlie Hebdo. Heavily armed gunmen massacred 12 people on Wednesday after bursting into the Paris offices of a satirical weekly that had long outraged Muslims with controversial cartoons of the prophet Mohammed. (AFP/Getty Images)

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Pens are thrown on the ground as people hold a vigil at the Place de la Republique (Republic Square) for victims of the terrorist attack, on January 7, 2015 in Paris, France. Twelve people were killed, including two police officers, after gunmen opened fire at the offices of the French satirical publication Charlie Hebdo. (Getty Images)

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Women hold candles during a gathering at the Place de la Republique (Republic square) in support of the victims after the terrorist attack earlier today on January 7, 2015 in Paris, France. Twelve people were killed including two police officers as two gunmen opened fire at the offices of the French satirical publication Charlie Hebdo. (Getty Images)

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Parisians hold a poster saying 'Students, Journalists, United' as crowds gather at 'Place de la Republique' in solidarity with murdered 'Charlie Hebdo' journalists on January 7, 2015 in Paris, France. Gunmen have attacked french satirical weekly 'Charlie Hebdo' at 10, Rue Nicolas Appert on January 7, 2015 in Paris, France. Twelve people were killed including two police officers. (Getty Images)