Three heavily armed men have attacked Charlie Hebdo, a French satirical magazine based in Paris, killing at least 12 people, including four cartoonists and two policemen.

Charlie Hebdo spent the past 20 years lampooning public figures in France and Europe, and was also condemned for its controversial cartoons on organised religion.

It has drawn repeated threats for its caricatures of the Prophet Muhammad, among other controversial sketches.

Al Jazeera's Dominic Kane reports.

Source: Al Jazeera