33 | PROTECTING STATELESS PERSONS FROM ARBITRARY DETENTION IN BULGARIA Websites • Informative website on detention in Bulgaria: http://detainedinbg.com/ • Thematic website on the right to be heard of immigration detainees: http://hear.farbg.eu/front/ • Website of the National Preventive Mechanism in Bulgaria (in Bulgarian): http://www.ombudsman.bg/national-prevention • The CONTENTION project website: http://contention.eu • The REDIAL project website: http://euredial.eu/national-caselaw/ • CPT, Bulgaria: http://www.cpt.coe.int/en/states/bgr.htm