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
Councillors in Bournemouth are due to approve an increase in council tax of almost 5% for the next financial year.
Tuesday morning's weather for the west of the region
Tuesday morning's weather for the east of the region