An unexploded WWII bomb discovered near tracks leading to France's busiest train station has severely disrupted rail service as police work to disable the device.

A 500-kg World War II bomb was found near Paris’ central Gare du Nord station, leading to the suspension of train services and stranding thousands of passengers. The discovery of the explosive affected high-speed train links between Paris,

All domestic and international trains at Gare du Nord, Europe's busiest train station, came to a halt Friday after an unexploded World War II shell was discovered, officials said.