Three local men, two in their twenties and one in his fifties, have been arrested and released on police bail until the end of January 2014.
Witnesses and anyone with information should call Dorset Police in confidence on 101 quoting incident number 28:313. Alternatively, call the free and anonymous Crimestoppers line on 0800 555 111 where mobile phone tariffs may apply.
More top news
An animal reserve in Kent is celebrating after the birth of an extremely rare and endangered Malayan tapir.
Monday night's weather for the east of the region
Monday night's weather for the west of the region