PARIS
The reactions came after Paris Prosecutor Francois Molins confirmed the deaths and said 10 others had also been injured after unidentified gunmen opened fire at the offices as staff attended an editorial meeting.
President Francois Hollande said at the crime scene the raid was "an attack on liberty".
He said: "This is an act of exceptional barbarism ... against journalists ... who have always endeavored to show that, in France, you can operate to defend your ideas."
US sharply condemns attacks
The Obama administration on Wednesday sharply condemned the attacks on a satirical publication in Paris.
“Time and again, the French people have stood up for the universal values that generations of our people have defended,” President Barack Obama said in a statement. “France, and the great city of Paris where this outrageous attack took place, offer the world a timeless example that will endure well beyond the hateful vision of these killers."
Washington reached out to France following the attack and Obama said that he has directed his administration "to provide any assistance needed to help bring these terrorists to justice."
At least 12 people were killed, including two police officers, and three were seriously wounded, Paris Prosecutor Francois Molins said after armed militants attacked the headquarters of satirical magazine Charlie Hebdo.
Secretary of State John Kerry further condemned the “horrific” and “murderous” attack, saying, “No country knows better than France that freedom has a price.”
"Today's murders are part of a larger confrontation," Kerry said, "between civilization itself and those who are opposed to a civilized world."
"Brave and decent people around the world will never give in to the intimidation and the terror that those seeking to destroy those values employ," he added.
White House press secretary Josh Earnest said that the administration is confident that the French are not "going to be cowed by this terrible act of violence.”
“They are going to continue to take the fight to ISIL and we're going to be with them every step of the way,” he said during an interview with CNN.
'Cynical crime'
Russian President Vladimir Putin expressed sympathy and support for the families and friends of the victims, condemned "the cynical crime" and reiterated his "readiness to continue active cooperation in combating the threat of terrorism".
The President of the European Commission, Jean-Claude Juncker, expressed his deep sympathy and "solidarity" with France, saying it was "an intolerable act, a barbarism that concerns us all as human beings and Europeans".
Speaking at the House of Commons in London, David Cameron said that the United Kingdom "opposed to all forms of terrorism".
He said: "The murders in Paris are sickening. We stand with the French people in the fight against terror and defending the freedom of the press."
German Chancellor Angela Merkel has condemned the attack in a telegram of condolences to French President Hollande.
"In these difficult hours we are standing side by side with our French friend," she said.
"This heinous attack has targeted freedom of expression and press freedom, which are core elements of a free and democratic culture. This is an attack, for which there is no justification,” Merkel added.
Turkey condemns gun attack on satirical Paris magazine
Turkey's Foreign Minister Mevlut Cavusoglu has condemned the attack on satirical magazine Charlie Hebdo in Paris which claimed 12 lives and injured 20 other people.
Their comments came on Wednesday during a press conference on the sidelines of the 7th Annual Ambassadors Conference in Ankara.
Cavusoglu said: "As Turkey, we are against every kind of terrorist incident no matter which race, religion, sect or region it comes from."
Cavusoglu said there were two main issues which needed to be dealt in Europe and in the region: "One is combatting terrorism, in which there is a huge gap to fill, the other issue is racism, xenophobia and Islamophobia in Europe."
"We see that increasing hate in Europe triggers foreign fighters to join ISIL, using discrimination as an excuse."
'Tragic 'loss'
Turkey's EU Minister Volkan Bozkir also condemned Wednesday's attack.
He wrote on Twitter: "I condemn the terrorist attack in France. Unity in the fight against all sorts of radicalism and terrorism is a must all over the world."
"I called Laurent Bili, Ambassador of France, to convey my heartfelt condolences for the tragic loss of lives at the terrorist attack in Paris."
Turkey's Foreign Ministry also released a statement, saying the attack was an "assault on humanity and universal values".
'Evil attack'
NATO chief Jens Stoltenberg said in a statement: "All NATO allies stand together in the fight against terrorism. This was a barbaric act and an outrageous attack on press freedom."
Ed Miliband, the leader of the UK's opposition Labour Party, described the event as an "evil attack by terrorists intent on attacking our democratic way of life and freedom of speech.
"We are united in our determination to defeat them."
Indian Prime Minister Narendra Modi also condemned the attack and Greek Prime Minister Antonis Samaras said: "On behalf of Greek citizens, I express my deep grief and outrage for the deadly terrorist attack in Paris.
"We Greeks are in solidarity with the families of the innocent victims and participate in the mourning of our friends, the French people.”
Arabs show solidarity with France after magazine attack
Several Arab states on Thursday condemned a deadly Wednesday attack on a French satirical magazine in Paris, describing the attack as a "terrorist" one.
Egyptian Foreign Minister Sameh Shoukry called French counterpart Laurent Fabius to deliver the condolences of the Egyptian people and government.
"Shoukry said Egypt stood by France at this most difficult of times," the Foreign Ministry said in a statement.
It said the Foreign Minister had called for concerted international efforts to fight against terrorism, saying terrorism threatened the world in its entirety.
Jordanian King Abdullah II, meanwhile, sent a cable of condolences to French President Francois Hollande, the official Jordanian news agency has reported.
It said the Jordanian monarch had condemned the attack, saying his country also stood with the government and people of France.
On Wednesday, three masked gunmen attacked the offices of French satirical magazine Charlie Hebdo, killing eight of its editors, including its chief editor, along with four other people, including a policeman.
Footage of the gunmen shooting mercilessly at a policeman outside the magazine's offices has sent shockwaves across the world.
The Organization of Islamic Cooperation also denounced the attack on the magazine, saying it did not reflect the Islamic faith.
The United Arab Emirates and Saudi Arabia likewise condemned the attack, saying they stood with France and its people.
On Thursday, Tunisian President Beji Caid Essebsi said that terrorism had "nothing to do with" the Islamic faith.
In a cable of condolence to the French president, Essebsi expressed his country's solidarity with France and condemned the attack on the French magazine.
Djibouti President Ismail Omar Guelleh, for his part, also denounced the attack, describing it as a "cowardly" and "unacceptable."
The Addis Ababa-based African Union Commission, meanwhile, described the attack as "tragic.
