A beggar threatened a woman after she refused to give him money outside a shopping centre in Wolverton.
The man became aggressive after being turned down outside Agora Centre in Church Street at about 11am on Thursday, November 27.
He is described as white, 5ft 4ins to 5ft 7ins tall, of average build, with short hair and in his mid thirties. He was wearing a grey top and black jogging bottoms.
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.
> A 37-year-old man from Bletchley has been arrested on suspicion of using threatening behaviour with intent to cause fear, and begging in a public place.
He has been released on bail until December 13.