Fostering and children's charities wants to change the age young people leave foster care.
Currently young people must leave at 18 but a campaign is calling for the Welsh Government to raise the age to 21.
The Welsh Government say a pilot scheme is already in place.
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Llantrisant Road from the junction with Heol Isaf to Cardiff Road, is shut in both directions as 'vital drainage' works get underway.
Emergency services including South Wales Fire and Rescue and South Wales Ambulance are currently on the scene at Coed Camlas.
A new review by Public Health Wales has found added tax on some foods could help reduce death and disease.