An air ambulance was called to a crash between a car and a bus, according to one eyewitness.
Ellen Road in Aylesbury was put under a temporary road closure on Saturday, April 27.
One eyewitness said an air ambulance was called to the scene following an incident involving "a car and a Red Rose bus".
A photo captured on the weekend shows a helicopter landing by a residential area near the road.
Red Rose Travel and the South Central Ambulance Service have been contacted for comment.
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