Paranormal activity on the London Underground has long fascinated commuters ever since it was first constructed back in 1854.

The existence of London Underground ghosts remains contested, but those tasked with the Tube’s upkeep are haunted by one pesky phenomenon. With millions of passengers travelling on the Tube network ...

Behind a blue door in a narrow London passage lies a little-known network of tunnels deep underground, once home to British spies and a secret long-distance telephone exchange. Thirty metres (100 feet ...

Deep beneath the London streets lies a network of disused tunnels, once home to British spies and a secret long-distance telephone exchange - Copyright AFP Lillian ...

Behind a blue door in a narrow London passage lies a little-known network of tunnels deep underground, once home to British spies and a secret long-distance telephone exchange. Thirty metres (100 feet ...