Roads: 'Avoid Newport SDR area following accident', say police

Gwent Police say this afternoon's collision involved a grey Fiat Stilo car and a pedestrian - an 11-year-old boy from Newport.

The boy was taken to the Royal Gwent Hospital and is being treated for a head injury. He is in a critical condition.

The road is closed in both directions at the Nash Road roundabout, with diversions in place.