A man who appeared to be helping a woman who was disorientated in Northampton is being asked to contact police in a bid to help identify the whereabouts of the woman.
The woman was in Birchfield Road, Northampton at 5am on Saturday, April 23 and later left with a friend. A black man was seen to be assisting the woman, who had two bumps to her head.
Officers are asking the man to come forward as he may have witnessed how the woman came to have the injuries.
Anyone with information can contact Northamptonshire police on 101. Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 111.