A man who died after the train he was travelling on collided with another train in mid Wales has been named locally as Tudor Evans.
He was in his 60s and from the Aberystwyth area of Ceredigion.
Four other people were seriously injured in the crash near Llanbrynmair, Powys, on Monday evening, and a further 11 required hospital treatment, according to the Rail Accident Investigations Branch (RAIB).
On initial inspection, the RAIB found that the train may have entered into wheel slide when braking.