Armed gunmen face police officers near the offices of the French satirical newspaper Charlie Hebdo in Paris on January 7, 2015.
The attackers who stormed the Paris offices of satirical newspaper Charlie Hebdo on Wednesday, killing 12 people, shouted "we have avenged the prophet", according to witnesses cited by a police source.
In a video of the attack filmed by a man taking refuge on a nearby rooftop, the men can be heard shouting "Allahu Akbar" (God is greatest) between rounds of heavy arms fire.