The Duke of Edinburgh was left bleeding following an accident which saw his car "tumble" across a road, helped out of his car before immediately asking whether others were "alright".
The Duke, 97, has survived the serious car accident with no injuries, with a witness claiming his Land Rover turned over several times as it "careered" across a busy road near to the Sandringham Estate.
Two female passengers of the second car, a Kia, went to hospital with injuries, while a baby travelling with them was left unharmed.
Police today confirmed they would be investigating the incident.
A spokesman for Norfolk Police said: "The driver of the Kia, a 28-year-old woman, suffered cuts to her knee while the passenger, a 45-year-old woman, sustained a broken wrist.