Trains have resumed on the railway line between St Albans Abbey and Watford Junction following earlier disruption.
At around midday today (Wednesday, August 10), London Northwestern Railway reported "major problems" on the Abbey Line and suspended trains between St Albans and Watford.
An earlier LNR statement read: "Due to a local operational issue between Watford Junction and St Albans Abbey, train services running to and from these stations will be cancelled.
"Disruption is expected to last until around 2pm today (August 10)."
Service have since resumed, but trains must run at a slower speed than normal between Bricket Wood and Watford Junction due to "high track temperatures", a company spokesperson said.
Several trains elsewhere on the network are running with four instead of eight carriages, the company's website notes.
These include LNR trains between London Euston and Northampton, London Euston and Crewe, and Northampton and Birmingham New Street.
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