Overview

• A power failure at around 8 pm between London St Pancras and West Hampstead halted all Thameslink services through central London.
• Passengers on board the stranded train endured rising heat and lack of water or air conditioning, with some reporting illness.
• Thameslink staff have begun controlled evacuations in the tunnel while engineers work to restore the electrical supply.
• Affected travelers were advised to remain on board until directed and offered alternative routes via East Midlands Railway, LNER, Southern and London Underground services.
• The wider network faces cancellations and delays of up to 60 minutes with commuters urged to check journeys and allow extra time.