This is absolutely unacceptable.
We must keep fighting for modern, civilized human rights -- freedoms such as life, liberty, and speech, including the right to mock and laugh at stupid religious ideas and spoof any so-called "prophet". In solidarity, R.I.P. Charb, Cabu, and other victims... P.S. See fellow cartoonist's drawn tributes, eg David Pope...
P.P.S. Yes, it's now clear that our entire planet Earth is full of free-thinking and rational people who reject violent virulent swine... P.P.P.S. The perpetrators of this vicious and unforgivable crime are said to be: Said Kouachi, born in 1980, Cherif Kouachi, born in 1982. If you know or see them, beware of the allegations and report them to authorities. (Addendum: They're now dead.)
P.P.P.P.S. And all this I say knowing that Charlie Hebdo has represented uncompelling aspects of the political spectrum, from my point of view. But I absolutely respect their right to spew their spleen. As Evelyn Beatrice Hall wrote: "I disapprove of what you say, but I will defend to the death your right to say it".
P.P.P.P.P.S. This includes all of these "blasphemous" cartoons.