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Officers were forced to unleash tear-gas on angry crowds as buildings and rubbish bins were set on fire around the Barbes Metro station, which is just around the corner from the Eurostar hub at Gare du Nord.

As fire crews went in to extinguish the blazes, lines of riot police were attacked, and shops were looted.

A policeman at the scene said: “Windows have been smashed and officers attacked.

“Small groups of protestors wearing hoods to hide their identities are causing trouble and then running away.