National Preventive Mechanism Ninth Annual Report 2017–18 Detention setting Jurisdiction England Wales Scotland Northern Ireland Prisons and YOIs (Inspection) 38 3 11 2 (Monitoring visits) 46,984 2,740 945 1,000 Police custody (Inspection) 31 7 4 - (Independent custody visits) 6,922 525 1,455 448 Border force (Inspection) 7 - 1 - Escort and court custody (Inspection) 20 - - - (Observation visits) 1,691 110 - Detention under the Terrorism Act36 (Independent custody visits) 133 1 38 Children in secure accommodation37 (Inspection) 43 2 6 3 Detention under mental health law (Inspection) 1,165 34 113 59 Immigration detention38 (Inspection) 11 - 1 - (Monitoring visits) IMB 2,69139 - 370 - Military detention40 (Inspection) 10 - 1 1 Customs custody facilities (Inspection) 6 - 1 - 36 Visits may take place when the terrorism suite is both active and inactive. 37 The number of monitoring visits to places holding children under 18 is noted in the prison/YOI figures due to the difficulty separating these figures where children are held on split sites with those over 18. The figure for Northern Ireland includes Woodlands Juvenile Justice Centre. 38 This includes immigration removal centres (2), short-term holding facilities (5) and inspections of removals of detainees under escort (4). 39 This figure includes monitoring of removals of detainees under escort (8). 40 This includes the Military Corrective Training Centre and service custody facilities. 34