Police have blocked rail services to and from Gare du Nord after an unexploded device was found on the tracks in the Saint-Denis district.

The discovery of an unexploded bomb dating back to World War Two severely disrupted traffic to and from Paris' bustling Gare du Nord, the world's third-busiest train station, on Friday. The disruption is affecting commuter rails and national and international trains,

PARIS: The unearthing of a 500kg World War II bomb near tracks outside Paris on Friday (Mar 7) halted traffic and stranded thousands of passengers in one of the biggest rail disruptions in the French capital in years.