Tributes have been paid to a brother and sister who died after a crash on the M4.
Three-year-old Jayden-Lee Wheaton, also known as Jayden-Lee Lucas, died in hospital five days after his four-year-old sister Gracie-Ann.
They were en route home from a birthday party and were travelling in a car on the motorway's westbound carriageway when it was involved in a crash with a van.