See the last tweet from Charlie Hebdo just before the attack in Paris today

The last tweet from Charlie Hebdo's twitter account about an hour before they were attacked by 3 masked gunmen who stormed the office of the magazine, was a cartoon of ISIS leader. The editor-in-chief of the magazine, known for satirizing religion, Stephane Charbonnier, three well know cartoonists, four other journalists and two police officers were killed in the attack. Eight others were wounded, four of them in critical condition