12 shot dead in Paris terror attack

A frantic scene outside the Paris offices of a French satyrical newspaper.

Police say black-hooded gunmen shot twelve people dead at the offices of Charlie Hebdo, ten of them journalists and two others police officers.

Another ten people were also injured in the attack, which one police official described as "carnage".

A witness described two gunmen as entering the offices with rifles and opening fire. He says the men were seen fleeing the building.

French President Francois Hollande headed to the scene of the attack and British Prime Minister David Cameron condemned the assault.

(SOUNDBITE) (English) BRITISH PRIME MINISTER, DAVID CAMERON, SAYING:

"While details are still unclear I know that this house and this country stands united with the French people in our opposition to all forms of terrorism and we stand squarely for free speech and democracy and these people will never be able to take us off those values."

Charlie Hebdo has always court