Al-Qaida in Yemen has taken responsibility for the attack on a satirical magazine in Paris that left 12 people dead.
In a YouTube video, Nasr al-Ansi, a top commander of Al-Qaida in the Arabian Peninsula, said the attack was in vengeance for the Prophet Muhammad.
In a graphic released on Twitter by the group, they say the leadership of AQAP planned and financed the operation.
"We did it in compliance with the Command of Allah and supporting His Messenger," the message read.
In the almost 12-minute video, al-Ansi congratulates the two gunmen in Paris and exhorts Muslims across the world to "take vengeance for Muslim blood spilled."
As al-Ansi speaks, video of the attack in Paris and of the attack on the World Trade Center on Sept. 11, 2001, plays in the background.
Al-Ansi also issues a warning to the West.
"Stop your insults on our Prophet and sanctities," al-Ansi says. "Stop spilling our blood. Leave our lands. Quit plundering our resources."
Otherwise, he says, "you will look for peace and stability but you will not find it."
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