-- Cartoonists from around the world have responded to today's attack in Paris by posting some emotional drawings of their own.
Many memorialized their colleagues from Charlie Hebdo, a Paris-based satirical newspaper where attackers opened fire, killing 12 people this morning.
Here are some of the most moving tributes:
The cartoon posted (above) by Le Parisien, a local paper, asks the question that many are left with today: Why? They go on to compare a pump rifle to a pencil, a Kalashnikov rifle to a pen, and a grenade to an eraser.