A woman was threatened by a man when she refused to hand him money in Wolverton High Street in the middle of the day last week.
The incident took place outside Agora Centre in Church Street, at about 11am on Thursday, November 27.
The victim was rppached by a white man, around 5ft 4ins to 5ft 7ins tall, of average build, with short hair and in his mid thirties, who was wearing a grey top and black jogging bottoms.
He asked for money, and became aggressive and threatening when she refused.
If you were spoken to by this man outside the centre, or have any information that could help the investigation, contact PC Martin Connor on 101.
Alternatively call Crimestoppers, anonymously, on 0800 555 111.