On the evening of October 21st, two Transport for Wales Class 158 trains were involved in a low-speed collision, right alongside the A470 main road, near Llanbrynmair (east of Machynlleth) in Powys, Mid Wales.

Sadly, one passenger has died and 15 others were taken to hospital, with what have been described as non-life-threatening or life-changing injuries.

In this short bulletin, we lay out the facts as we understand them at the time of recording on October 22nd and explain what investigators will be looking for to establish what the causes of the collision were.

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Wales train crash: What we know so far