JE SUIS CHARLIE: France united in grief

A woman holds up a pen during a gathering in solidarity of the victims of a terror attack against French satirical newspaper Charlie Hebdo in Paris. (Source: AP Photo)

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. (Source: AP Photo)

A woman lights a candle as about 15,000 people gather for a moment of silence in Lyon, central France, to pay their respects to the victims of the French newspaper Charlie Hebdo's attack. (Source: AP Photo)

People gather near candles lit to commemorate the victims of a deadly attack at the Paris offices of French satirical newspaper Charlie Hebdo, in Lyon, central France. (Source: AP Photo)

About 15,000 people gather for a moment of silence in Lyon, central France, to pay their respects to the victims of the French newspaper Charlie Hebdo's attack. (Source: AP Photo)

People look at drawn crosses and the portrait of the French caricaturist Georges Wolinski who was killed during a shooting at a French satirical newspaper in Paris. (Source: AP Photo)

Mourners gather during a demonstration at the Old Port of Marseille, southern France. (Source: AP Photo)

Demonstrators hold a banner reading " I am Charlie", at the Old Port of Marseille, southern France. (Source: AP Photo)

A woman holds a poster reading 'I am Charlie' with a rose, at a gathering in Nice, southeastern France, to express solidarity with those killed in an attack at the Paris offices of weekly newspaper Charlie Hebdo. (Source: AP Photo)

Demonstrators gather at the Place de la Republique after a shooting at a French satirical newspaper in Paris, France. (Source: AP Photo)

Flowers, candles and a sign reading "I am Charlie" are placed against a wall during a demonstration in Paris. (Source: AP Photo)

People, some wearing stickers reading "I am Charlie", during a demonstration in Paris. (Source: AP Photo)