A man in his 80s has suffered serious injuries following a road crash in Londonderry.
He was struck by a grey-coloured Peugeot people carrier vehicle in the Bishops Street area on Saturday afternoon.
Police arrested a 53-year-old man on suspicion of driving without due care and attention.
He was interviewed and subsequently released on police bail pending further enquiries.
The pedestrian suffered serious injuries, police said, including to his head.
Police and the Ambulance Service attended the scene and he was taken to hospital for treatment.
Anyone who was in the area between 1.30pm and 1.40pm has been asked to come forward with information.