There are delays of 20 minutes on services between between Par and Penzance, and between Truro and Falmouth Docks due to vandalism at Truro. Cancellations can be expected, with disruption expected to be ongoing until around 2pm.
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A mother from Bath is calling for a change in the Government's drug policy after her husband died of a heroin overdose.
Police were notified around 4.20am to reports of a ram raid at the Totnes Cross filling station on the A381.
A derailed train at London Paddington means that trains running to and from this station are disrupted.