South Wales Police is appealing for witnesses following a fatal road traffic collision that occurred on the A465 Heads of the Valleys Road yesterday afternoon (Tuesday, October 15).

The collision, involving a blue Renault Kangoo and a black Renault Megane, happened at approximately 4.10pm between Baverstocks and Hirwaun.

Despite the efforts of the emergency services, the driver of the Kangoo, a 63-year-old man, died at the scene.

The 27-year-old driver of the Megan was taken to the University Hospital of Wales, where he remains in a critical condition.

The road currently remains closed to allow investigation work to continue, but it is expected to reopen this evening. Motorists are thanked for their ongoing patience and understanding.

Officers would like to speak to anyone who witnessed the collision, or the manner in which either vehicle was being driven prior to it. Anyone with dash-cam or mobile phone footage which may assist the investigation, or anyone who left the area prior to giving their details to police, is also asked to make contact.

Please contact the Roads Policing Unit via 101, quoting occurrence 1900 381713.