Can't sleep tonight, thoughts with my French cartooning colleagues, their families and loved ones #CharlieHebdo pic.twitter.com/LqIMRCHPgK

— David Pope (@davpope) January 7, 2015

Break one, thousand will rise #CharlieHebdo #JeSuisCharlie #raiseyourpencilforfreedom pic.twitter.com/3n5fOEmrwJ

— Lucille Clerc (@LucilleClerc) January 7, 2015

#CharlieHebdo pic.twitter.com/jIBbrIShe8

— Francisco J. Olea (@oleismos) January 7, 2015

#CharlieHebdo pic.twitter.com/15O4YC2KWg

— Ruben L. Oppenheimer (@RLOppenheimer) January 7, 2015

C'est un drame pour la France… #CharlieHebdo pic.twitter.com/lGfNUHfQIZ

— Cyprien (@MonsieurDream) January 7, 2015

#CharlieHebdo pic.twitter.com/GNh2ZAEArf

— Tommy dessine (@Tommydessine) January 7, 2015

I am devastated by what just happened in France. #CharlieHebdo pic.twitter.com/IxEbScqYFh

— jean jullien (@jean_jullien) January 7, 2015

Charlie Hebdo. Nooit opzij. pic.twitter.com/MJwGKPQ8jU

— Joep Bertrams (@joepbertrams) January 7, 2015

Cartoon on #CharlieHebdo #JeSuisCharlie #cdnpoli #cartoonists #nspoli pic.twitter.com/VvGDifANCV

— Michael de Adder (@deAdder) January 7, 2015

#CharlieHebdo #JeSuisCharlie pic.twitter.com/GPCQK2EbbF

— Philip DeFranco (@PhillyD) January 7, 2015

Today's @Telegraph #charliehebdo #cartoon #freedomofspeech pic.twitter.com/qktDsqhV1U

— Christian Adams (@Adamstoon1) January 8, 2015

L'hommage d'Uderzo à #CharlieHebdo pic.twitter.com/1PxKrIGLp9

— Atlantico (@atlantico_fr) January 8, 2015

Cartoon on #CharlieHebdo #JeSuisCharlie #cdnpoli #cartoonists #nspoli pic.twitter.com/VvGDifANCV

— Michael de Adder (@deAdder) January 7, 2015