Paris attacks: How worldwide marches unfolded

Millions of people have taken part in marches around the world, after three days of violence on the streets of Paris.

Seventeen people were killed during attacks on satirical magazine Charlie Hebdo, police officers and a kosher supermarket.

As well as the demonstrations France, other cities around the world - including London - showed their solidarity with victims.

BBC News takes a look at some of the day's most memorable moments from around the world.