World mourns the deadly Paris attacks

Indian Muslims hold banners and participate in a protest against ISIS, an Islamic State group, and Friday's Paris attacks, in New Delhi.

A woman walks past The Belle Equipe restaurant window showing two bullet holes and the shape of a sad mouth drawn underneath, in Paris.

A woman cries as she places flowers on a floral tribute near the Bataclan concert hall after Friday's terror attacks in Paris.

Young women have formed the word Paris with candles to mourn for the victims killed in Friday's attacks in Paris, France, in front of the French Embassy in Berlin.

A woman pictures the ferris wheel illuminated with the French colors on the Concorde square in Paris.

A woman offers a flower during a vigil for the victims who were killed in the Friday's attacks in Paris, at the French Embassy in Tokyo.

A woman holds up a placard as she takes part in a vigil in solidarity with France after the deadly attacks in Paris, in Trafalgar Square, London.

A French man and woman hold each other as the National Gallery of London is lit up in the colors of the French flag in solidarity with France after the deadly attacks in Paris.

A woman holds a sign, that reads in French Rio is Paris , during a demonstration promoted by the NGO Rio de Paz, in solidarity with the victims of the attacks in Paris, in front of Christ the Redeemer statue, in Rio de Janeiro, Brazil.

A woman holds a placard as people gather in Hong Kong to mourn for the victims killed in Friday's attacks in Paris.

Grief, alarm and resolve spread across Europe and the globe one day after coordinated terror attacks killed more than 120 people in Paris.