
Gunmen face off with police officers in Paris on Wednesday, January 7. A terrorist attack at the Paris office of Charlie Hebdo, a French satirical magazine, left at least 12 people dead.

French authorities released photographs of main suspects Said Kouachi, left, and Cherif Kouachi, warning that both could be armed and dangerous. A third suspect, Hamyd Mourad, has surrendered to police, according to the news agency Agence France-Presse.

Gunmen step out of a car to shoot and kill a police officer near the Charlie Hebdo office on January 7.

Masked gunmen run toward a victim.

An injured man is carried away from the scene of the shooting.

Ambulances and police officers gather in front of the building.

An injured man is taken away for medical care.

A bullet hole is seen in a window of the magazine's building.

Firefighters and police officers gather in front of the magazine's office. The magazine had spurred protests in the past after publishing caricatures of the Prophet Mohammed. Its office was set afire in November 2011.

A police car sits riddled with bullets.

People hug each other outside the magazine's building after the attack.

French President Francois Hollande, center, and Cazeneuve, right, arrive at the scene of the shooting.

A woman cries outside the magazine's building.

Paris Mayor Anne Hidalgo and Interior Minister Bernard Cazeneuve arrive at the scene.

A police officer checks passing cars in Paris after the attack.

Police investigate the scene of the shooting.

Police respond at the scene of the shooting.

French soldiers patrol around the Eiffel Tower.

Firefighters and police officers gather in front of the magazine's building.

Police officers inspect evidence at the scene of the shooting.

Police officers take security measures near the scene of the shooting.

Police officers and forensics experts examine the car used by the gunmen.

A tow truck lifts the car used by the gunmen.

People stand outside the magazine headquarters.

Police carry a body from the scene of the shooting.

Blood is seen on the floor and desks in the Charlie Hebdo newsroom on January 7.