A SECOND victim of a crash on the M4 that claimed the lives of three men has been named.

James Stark, 37, of Mountain Ash, Rhondda, died from his injuries on Wednesday.

The crash, involving a van and a lorry on a slip road at junction 17 near Stanton St Quintin, happened at 4.30am on Monday and closed the motorway for nine hours.

Two men travelling in the van were pronounced dead at the scene and two more were taken to Southmead Hospital in Bristol with serious injuries. One is still in a critical condition.

A 37 year-old man from Aberdare was subsequently arrested on suspicion of causing death by dangerous driving. He has been released on police bail pending further inquiries.

One of the dead has already been identified as Martyn Williams, 36, of Trecynon, South Wales.

Anyone who witnessed the collision is asked to contact Wiltshire Police on 101 or Crimestoppers on 0800 555 111 where information can be left anonymously.