Subterranean London

London police evacuated part of the capital under "security measures," reported Independent.

The British police said they had briefly evacuated the Holborn station on the London subway due to a damaged train after a smoke on the platform this morning, Reuters reported.

Police said they had responded to fire and smoke alarm messages in a subway car. The reason was a damaged train, the transport police said.

London Underground train was covered by flames on the Baker River line and filled with smoke, Sun said.

Post Office tunnels buried more than six miles under Britain’s streets are set to open to the public for the first time ever.

Known as the ‘Rail Mail’, the sprawling network of underground tracks were built in 1927 and had the capacity to carry over four million letters at any given time.

London Bridge has been placed on lockdown by police after reports of a suspicious vehicle this afternoon.
The Metropolitan police were called at 1.40pm and a spokesperson for the service said inquiries were ongoing.
London Bridge train station has been evacuated and closed as a precaution, the spokesperson added.