Paris attacks: Heavy gunfire in suburb of Saint Denis as police hunt suspects

A large police operation is under way in the Paris suburb of Saint Denis and it's believed to be linked to the deadly attacks on the French capital. The official says there have been exchanges of gunfire and special SWAT teams are on the scene. The official was not authorised to be publicly named according to police policy. Police have blocked off the area around Place Jean Jaures in Saint Denis, just north of Paris.