Red Lodge Road, Worlington between 4pm 18/04/10 and 5.20pm 19/04/10.
Offenders have cut through a lock to gain access to a field and stolen a grey two horse Rice box trailer.
A small white van was seen traveling towards Mildenhall town centre towing a grey horsebox at around 11.40am on Monday.
Calls in relation to this incident should be made to PC Lisa Evans at Mildenhall Police on 01284 774100.
Alternatively call Crimestoppers, anonymously, on 0800 555 111.