Some train track circuits are at the mercy of distant storms on the Sun’s surface, researchers found, which could cause train signals to jump from red to green and vice versa as a result of extreme ...

Dozens of trains were impacted after a signal outage on the Northeast Corridor, the busiest stretch of passenger rail in North America.

Trains may be cancelled, delayed or diverted until 09:00 GMT, National Rail says.

Passengers have been warned of train disruptions across parts of the East of England, including Bedfordshire, Hertfordshire and parts of Cambridgeshire, due to planned signalling upgrade works.