More than two thousand people have been taking in part in the Cardiff Memory Walk to raise money for dementia sufferers and their carers.
It's thought this year's event is the biggest ever. With a third of people over 65 expected to die from dementia, those fundraising say it's a great cause.
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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.