The UK’s largest train firm Govia Thameslink Railway (GTR) which is the parent company of Thameslink, Southern, Gatwick Express and Great Northern has issued a warning of “widespread IT issues.”
In a message GTR said, “We are currently experiencing widespread IT issues across our entire network.
“Our IT teams are actively investigating to determine the root cause of the problem.
“We are unable to access driver diagrams at certain locations, leading to potential short-notice cancellations, particularly on the Thameslink and Great Northern networks.
“Additionally, other key systems, including our real-time customer information platforms, are also affected.
“We will provide additional updates when we can. In the meantime, please regularly check your journey before you travel.”