Train operator CrossCountry has cancelled almost all its services across the UK because of a power outage at its control centre.
The major disruption began on Sunday morning with almost all routes cancelled or delayed until further notice, CrossCountry said.
The power cut at CrossCountry’s control centre in central Birmingham meant the systems used to manage the network were offline.
Services between Peterborough, Cambridge and Stansted Airport continue to operate at almost normal levels because of planned engineering work.
A CrossCountry spokesperson said: “A power cut in Birmingham city centre has affected the building where our control centre is located.
“As a result, many of the systems our control teams use to manage the railway are currently unavailable.
“Although colleagues are working hard to safely operate services using alternative processes, CrossCountry services will be significantly disrupted on Sunday 23 August.
“While we will run as many trains as possible, passengers should expect significant reductions to services and cancellations across almost all CrossCountry routes throughout the day.
“We are sorry to passengers affected by this significant and unforeseen disruption.”
Other trains operators are still running services on the same routes.
A rail replacement bus service had already been planned between Leicester and Peterborough, and its operations have been unaffected.
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(c) Sky News 2026: CrossCountry cancels trains across UK after control centre power outage in Birmingham