A pedestrian has suffered serious injuries following a crash on major Cardiff road.
Emergency services were called to the incident in Cowbridge Road West, Ely, Cardiff, after 9.45pm on Monday, December 28.
South Wales Police confirmed the road - which is part of the A48 - is closed in both directions.
A force spokesman said: "A pedestrian in his thirties has been taken to hospital with serious injuries.
"Please avoid the area and use alternative routes."
Police confirmed that only one vehicle was involved in the incident.
"We are not in a position to give out any further details at this stage, but we expect the road will be closed for quite some time while investigations are carried out at the scene," added the spokesman.
Traffic monitoring firm Inrix said the scene of the collision took place the Wilson Road section of Cowbridge Road.
