Two trains have collided near to Llanbrynmair in Powys shortly before 7pm on Monday night has killed one and injured 15 people.
Network Rail and TfW said the collision was a “low speed” crash and both trains remained on the tracks.
British Transport Police (BTP) said, “We can sadly confirm a man has died following (the) incident.
“We extend our deepest sympathies to his loved ones, alongside everyone else impacted and specialist officers continue to provide support.”
“Residents will see an increased policing presence in the area in the coming days as a result.”
Network Rail and TfW said: “Our first thoughts are with the family and loved ones of the man who has lost his life, as well as all the other people involved in this incident.
“We’re extremely grateful to the emergency services who attended the scene and helped our passengers and staff in challenging circumstances.
“We are working closely with other agencies, including emergency services, to understand how this incident happened and they will have our full support.”
First Minister of Wales Eluned Morgan said: “My thoughts are with all those involved in the rail incident in Powys (on Monday).
“I would like to thank the emergency services for their response and have asked to be kept informed of any developments throughout the night.”
