Oherwydd natur frys y cyhoeddiad hwn, nid oes cyfieithiad uniongyrchol yn Gymraeg ar gael ar hyn o bryd. Rydym yn ymddiheuro am unrhyw anghyfleustra. Diolch.
At approximately 1.45pm this afternoon (Tuesday 24th September 2019), we were called to a report of a serious road traffic collision involving a car and pedestrian on the A48 at Castleton.
The road is closed between Coal Pit lane and Marshfield road; diversions are in place. Motorists should expect congestion in the area and surrounding routes.
Please avoid the area if possible and find alternative routes for your journey.
Officers are requesting any motorists using the road around this time to please check any dash cam footage that may provide further information that will assist officers with their enquiries.
Anyone with any information or anyone who may have witnessed the incident is urged to contact Gwent Police on 101 or Direct Message us on Facebook or Twitter, quoting reference 900353710.