Major disruption to train servicespublished at 10:05 BST
10:05 BST
Bea Swallow
West of England
Due to the severe weather, Great Western Railway (GWR) has confirmed all trains running between Bristol Temple Meads and Severn Beach will be cancelled. Live updates can be found on their website., external
In the hot weather, the overhead lines that provide power to the trains can expand and sag, so to avoid damaging the lines, trains must travel more slowly.
The operator said any purchased tickets can be used, at no extra cost, on the local bus routes in both directions.
Image source, Getty Images
Extreme heat can cause rails to expand and buckle, so when temperatures reach certain thresholds, trains must run more slowly to keep services safe.
Prolonged high temperatures can also affect equipment on our older regional train fleet, including engines and cooling systems.