A woman who was eight months pregnant and her unborn daughter have both died after a crash on the M4 in Port Talbot. Rebecca Evans, 27, died after a crash involving a BMW, a Peugeot and an Audi on the westbound carriage between junctions 38 and 39 on Tuesday.
South Wales Police said Mrs Evans died at the scene and her unborn daughter was also killed.
A 50-year-old man who was arrested on suspicion of causing death by dangerous driving has been bailed.
A two-year-old boy who was treated after the collision, which happened between the Margam and Groes interchanges, remains in hospital.