https://macnevers-and-co.beer/news/2026/05/07/trains-in-southern-england-disrupted-after-fault-in-radio-sy.html
Trains in southern England disrupted after fault in radio system | MacNevers & Co
London Waterloo services particularly hit after radio network problem prevented communication between drivers and signallersTrains in parts of southern England
southern englandfault radiotrainsdisrupted