Radio fault resolved but southern England rail disruption continues

A radio fault caused major rail disruption in southern England, with delays and cancellations expected until the end of the day. The fault affected communications between trains and signallers, impacting multiple train operators including South Western Railway and Southern. Services began returning to normal after the issue was resolved. Passengers were advised to check travel plans, with tickets valid on alternative transport. This disruption follows recent inconvenience for some travelers.