Three people have been pronounced dead at the scene of the train derailment in Stonehaven, Aberdeenshire.
British Transport Police confirmed the news, adding that six people have also been taken to hospital.
In a statement the BTP said: "British Transport Police were called to the line in Stonehaven, Aberdeenshire at 09.43am this morning (12 August) following a report that a train travelling from Aberdeen to Glasgow Queen Street had derailed.
"Officers remain on scene this afternoon alongside the ambulance service, fire brigade and colleagues from Police Scotland.
"Very sadly despite the best efforts of paramedics, we can confirm that three people have been pronounced dead at the scene.
"While formal identification is yet to take place, the driver of the train is very sadly believed to have died. His family have been informed and are being supported by specially trained family liaison officers.
"Officers are continuing to work to inform the families of the other two people who sadly died.