Cartoonists and news agencies from around the world paid moving tributes to victims of the attack on France's satirical magazine Charlie Hebdo in Paris on Wednesday. At least 10 journalists and 2 police personnel were killed and several others injured in the attack . The attack on the magazine raised several questions on freedom of press and speech. Here are a few tributes: 1. Asterix pic.twitter.com/WNMiyedO9B — Astérix (@asterixofficiel) January 8, 2015 2. David Pope 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 3. Mashable (Banksy) Street artist Banksy's powerful message of perseverance after Paris attack pic.twitter.com/Q0Q3jgOdMW — Mashable (@mashable) January 8, 2015 4. Zunar Cartoonist Hommage de @zunarkartunis, prix 2011 “Courage In Editorial Cartoon" #JeSuisCharlie pic.twitter.com/8KDDs7W10H — Celine Boileau (@Celineboileau) January 8, 2015 5. Penguen Çok üzgünüz. Yine de çizmeye devam edip, gelecek sayımızı Charlie Hebdo'ya ayıracağız. pic.twitter.com/QDHD6vVfrU — penguen (@penguendergi) January 8, 2015 6. Ann Telnaes (Washington Post) Love @AnnTelnaes' defiant drawing. #JeSuisCharlie @washingtonpost pic.twitter.com/JMolVXQFN2 — MeredithOBrien (@MeredithOBrien) January 8, 2015 7. The Independent The moving tributes to the victims of the Charlie Hebdo shooting pic.twitter.com/A8AisDaypj — The Independent (@Independent) January 8, 2015 8. Tom Toles (The Washington Post) Editorial cartoonist Tom Toles on the Charlie Hebdo massacre pic.twitter.com/o2vFaV5lj3 — Washington Post (@washingtonpost) January 7, 2015