Emergency services have been called to a train derailment in Cumbria. North West Ambulance Service (NWAS) said it had sent paramedics to the scene near the village of Shap, which is on the West Coast Main Line.
National Rail said the incident happened between Penrith and Oxenholme, affecting trains running between Carlisle and Preston. Major disruption is expected until the end of the day.
NWAS said: "Following reports of a train derailment near Shap in Cumbria, the trust has dispatched resources to the scene. We are currently assessing the situation and working with other members of the emergency services.
"Our priority is to ensure people receive the medical help they need as quickly as possible."