Now, cartoonists around the world are breaking out their pens and brushes to pay tribute to the victims of the attack at the Paris magazine.
We’re compiling some of the best ones we’ve come across here — if you’ve seen one you think we should put up, let us know in the comments. And click here to see more cartoons from our staff and readers.
Can't sleep tonight, thoughts with my French cartooning colleagues, their families and loved ones #CharlieHebdo pic.twitter.com/LqIMRCHPgK
The letter from The Independent's Deputy Editor: In solidarity with #CharlieHebdo http://t.co/i6xl68x2lw pic.twitter.com/3FYgFZSX72
Where's the trigger? @Newsday cartoonist @MatttDavies on "mind-numbing" tragedy http://t.co/l95XbVN1Hw #CharlieHebdo pic.twitter.com/XAXJ20Weat
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The little weapon! #CharlieHebdo #cartoon pic.twitter.com/VFFZD2f8Rz
#JeSuisCharlie pic.twitter.com/FPYIswn625
The Independent's cartoonist @DaveBrownToons on the #CharlieHebdo attack. #JeSuisCharlie http://t.co/BuHwpq0ykC pic.twitter.com/GFBj9nD35S
What a terribly sad day. #morintoon #jesuischarly #terrorInParis pic.twitter.com/JfLiGBBX00