South Wales Police is appealing for information following an incident at Grove Terrace, Penarth in the early hours of today (Saturday, 17th August).
A 69 year-old local man was found lying in the road with serious injuries at 1.30am.
Officers suspect he was hit by a vehicle which may not have stopped at the scene and has since failed to report the incident.
However it is also a possibility that he may have been the victim of an assault.
He is currently being treated at the University Hospital of Wales where he was admitted with serious injuries.
Police are appealing to anybody who have seen what happened to contact them.
In particular, they are urging the driver or the occupants of any vehicle that was involved in an incident at Grove Terrace last night to come forward immediately.
Acting Detective Inspector Paul Mason, said: ‘We can’t be sure what has happened but early indications suggest he was struck by a vehicle. If that is the case, the driver or passengers must to do the right thing and to come forward to explain what happened.’
The man was returning home from the Penarth Conservative Club where he had spent the evening.
Anyone with information can call the non emergency 101 number or call Crimestoppers on 0800 555 111.