Graffiti has been sprayed on two walls in King’s Road, Bury St Edmunds.
Similar graffiti was sprayed in an alleyway joining Waitrose carpark with King’s Road and a wall of flats between Prospect Row and King’s Road.
The graffiti was done between March 27 and 28.
Both walls have had the work ‘Ask’ written on them.
Anyone with information is asked to contact Suffolk Police on 101.