-43 Where staff is inadequate significant amount of overtime will be required to maintain basic level of security, which may result in high levels of stress among staff and an exacerbation of the tensions in the prison.87 87. CPT/Inf(2001)16-part, § 26; see also CPT, ‘Report on the visit to Latvia’ (2017) CPT/Inf (2017) 16); FRA, Detention Conditions, 43. Monitoring Prison Violence