HMP The Verne on Portland is to close as a prison and be converted into an immigration removal centre.
It will provide around 600 additional places to hold immigration detainees awaiting removal from the country.
More top news
It's not just visitors at Exmoor Zoo who've been tucking into ice lollies and cool drinks in the heat - check out these charming pictures
A memorial is to be held for a man from Bodmin who was killed during the Tunisia massacre. His wife is recovering in hospital
Part of a Somerset street has been sealed off after the discovery of a large dip in the road. Engineers are investigating what caused it.