23 days ago · Cardiff
Major railway disruption between Cardiff and London as line closed and trains cancelled - live
What's happening
SignalsMonitor is following this as a general story. WalesOnline is the outlet attached so far. The reports are tied to Cardiff. The first report grouped here was at 23 Sept 2026, 11:45 UTC. 3 material updates are listed in the timeline. The headline in use is “Major railway disruption between Cardiff and London as line closed and trains cancelled - live”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
A gas leak near Didcot Parkway is having widespread impact on journeys between Swansea and London and services are also affected in South Wales
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by WalesOnline
Major railway disruption between Cardiff and London as line closed and trains cancelled - live
- Picked up by WalesOnline
Major railway disruption across Wales as line closed and trains cancelled - live
- Picked up by WalesOnline
Major railway disruption for passengers across Wales with trains cancelled - live
Reported by 1 outlet
- WalesOnline