France has begun three days of national mourning today, in the wake of the Paris attacks.

Around the world, gestures of solidarity with the city have taken place.

Landmark buildings - from the Sydney Opera House to Dublin's Convention Centre - were lit up with the colours of the French flag. 

Irish flags will fly at half mast today in solidarity with the victims.

Floral tributes have been placed at French embassies around the world by people wishing to express their solidarity.

In Paris itself, Parisians have been gathering near the Bataclan theatre - scene of the worst atrocity - to pay their respects: