A pregnant woman and her unborn baby have died after a crash on the A465 Heads of the Valleys road.

Gwent Police said the woman, 20, from Tredegar, died at Nevill Hall Hospital in Abergavenny.

Two Peugeot cars collided between Brynmawr and Garnlydan, Blaenau Gwent, at about 11pm on Friday.

Police are appealing for witnesses and say the victims' family is being supported by officers.

The crash involved a blue Peugeot 207 and a silver Peugeot 307, said police.

The male Peugeot 207 driver, who is from Basingstoke in Hampshire, and the male Peugeot 307 driver, from Tredegar, were uninjured but both are suffering from shock.

A 34-year-old woman, a rear seat passenger in the Peugeot 307, suffered minor injuries to her legs and head.

Anyone with information about the crash is asked to call police on 101, quoting log 544 14/02/14.

The Welsh Ambulance Service said a rapid response vehicle and an ambulance had attended.