It's been confirmed that Dorchester Prison is to close and discussions are underway to end the lease at Dartmoor Prison.
Elsewhere, Portland's Verne Prison will be turned into an immigration detention centre.
The former Victorian military barracks, transformed into a jail more than 60 years ago, will become a Home Office immigration unit housing people waiting to be removed from the UK.
Duncan Sleightholme reports:
More top news
Largely dry with some occasional sunshine this afternoon.
A 16-year-old schoolgirl, whose mum died of breast cancer, has raised £2,750 for the charity Hospiscare to thank them for their support.
Although the crime total has dropped by almost a third, high value farm equipment is still top of the thieves lists.