Attacks in Paris were ?act of war?

A man placed flowers at the French consulate in Boston.

Residents reacted in Paris on Saturday.

Police patroled near the Eiffel Tower the day after a series of deadly attacks in Paris.

Residents in Paris lined up to give blood after the attacks.

The French flag was at half-mast at the Elysee palace in Paris.

Flowers were placed outside the French Embassy in Rome on Saturday.

Police vehicles blocked the street in front of the Bataclan concert hall on Saturday, the morning after a series of deadly attacks in Paris.

French president Francois Hollande, in a speech Saturday, blamed the Islamic State group for the Paris attacks.

A man paid his respects outside the Le Carillon restaurant the morning after a series of deadly attacks in Paris.

People lit candles at a vigil outside the French consulate in Montreal on Friday.

Forensic police on Saturday searched for evidences inside the Comptoire Voltaire cafe at the site of an attack in Paris.

Rescuers evacuated people following an attack in the 10th arrondissement of Paris.

Wounded people were evacuated from the Stade de France after explosions were reported.

A policeman stood behind a cordon blocking the street near the site of the restaurant.

Spectators gathered on the pitch of the Stade de France stadium in Saint-Denis, north of Paris.

Two people on the pitch of the Stade de France stadium embraced.