Committee of the transfer of responsibility for prison health-care services from the Ministry of Justice to the administrative branch of the Ministry of Social Affairs and Health as of 1 January 2016 and, in this context, of ongoing efforts to increase health-care staffing levels in prisons. The response also contains information on efforts to recruit additional custodial staff and to improve complaints and disciplinary procedures. In the context of the latter, the authori­ ties inform the CPT of the reduction in the maximum permitted period of placement in disciplinary isolation from 15 to 10 days. 48. The CPT’s delegation also visited Niuvanniemi Hospital where it focused on the safeguards governing involuntary psychiatric hospitalisation and treatment. The Committee found the living conditions, treatment, activities and staffing to be generally good. As regards safeguards, the CPT remains concerned by the very limited progress in addressing its long-standing recommendations aimed at improving the legislative framework. It recommends that amendments be made to provide for an obligatory independent expert psychiatric opinion in the context of involuntary hospitalisation measures and the review of these measures. The Committee is also concerned by the inefficiency of judicial reviews of involuntary hospitalisation measures. It again calls on the Finnish authorities to ensure that there is a meaningful and expedient court review of these measures and that psychiatric patients have an effective right to be heard in person by the judge during the involuntary hospitalisation procedure. In their response, the Finnish authorities provide an update of the comprehensive General Report of the CPT, 2015 ► Page 22 reform of the mental health legislation including the review procedures. Report published in August 2015 (CPT/Inf (2015) 25), response published in October 2015 (CPT/Inf (2015) 33) Report on the removal operation by air of foreign nationals to Nigeria organised on 17 October 2013 by the Dutch authorities in cooperation with Frontex (treatment of foreign nationals during removal operations, including preparation, execution and hand-over to the local authorities, and debriefing-related issues) 49. The report examines in detail the treatment of foreign nationals during a removal operation by air to Lagos (Nigeria) and the conditions under which the removal operation took place. The return flight was part of the 2013 Programme of Joint Return Operations (JRO), co-ordinated and co-financed by the European Agency for the Management of Operational Cooperation at the External Borders of the Member States of the European Union (Frontex) and involved, in addition to the Netherlands (the “Organising Member State”), Bulgaria, Germany, Slovenia and Spain (as “Participating Member States”). The operation con­ cerned a total of 18 detainees and involved 57 escorts of five different nationalities. It was the first such removal operation monitored by the CPT. 50. As regards the preparation phase of the removal operation, the report praises the overall quality of the work performed by the Dutch Repatriation and Departure Service (DT&V) and by the Royal Military Constabulary (KMAR). The report stresses the importance of