A man has been arrested following a crash involving two cars and a pedestrian.
The 52-year-old was arrested on suspicion of driving a motor vehicle dangerously after the accident at the junction of the A418 and Eythrope Road in Stone just after 1.30pm on Saturday.
The crash involved a red Citreon and a grey Peugeot, and the male pedestrian was flown to the John Radcliffe Hospital via air ambulance.
Three people were rushed to Stoke Mandeville Hospital, two with back injuries and one with chest injuries.