- HMP Maidstone has an inmate population of about 600
- It is a Category ‘C' training prison that predominantly houses sex offenders from the Kent and Sussex areas.
- Category C prisons are closed but have less internal security.
- The prison also takes in a small number of foreign prisoners with more than 18 months to serve
More top news
Police say they have rescued a woman kept captive in a pit in a shed by a neighbour with mental health issues.
North Korean leader Kim Jong-un is not "insane", according to US Secretary of State Rex Tillerson.
A woman has been shot by police during a counter-terrorism operation in which four people were arrested.