
LONDON Reuters, Aug. 14, 2017 – British police said they had evacuated Holborn underground train station in central London due to a defective train, following reports of smoke on the platform during the morning commute.
The fire and police service had earlier said they were responding to reports of a fire alert and smoke filling a train carriage.
“We’re working to reopen Holborn underground station after a defective train caused an evacuation,” British Transport Police said.

A British Transport Police spokesman

Holborn tube station – Station modernised