[JURIST] Guantanamo detainee Shaker Aamer [NYT backgrounder; JURIST news archive] filed a complaint [text, PDF; Reprieve press release] on Wednesday against UK security forces MI5 and MI6 with the Investigatory Powers Tribunal [official websites]. The complaint was filed on behalf of Aamer by the British human rights group, Reprieve [advocacy website]. The complaint notes that Aamer has been cleared for release by both the US and the UK but is still being held at Guantanamo Bay [JURIST backgrounder]. Aamer and his lawyers allege this delay is due to Aamer’s treatment during his interrogation at the hands of UK security forces. Aamer was detained in Afghanistan for allegedly fighting at an al Qaeda stronghold, which Aamer denies, stating that he was performing charity work. He claims that the UK security forces gave the US false information about evidence they claim was revealed during this detention.

This is the latest development in Aamer’s detention. In July Aamer joined other detainees in asking a US federal judge to end their force feedings [JURIST report] that came in response to detainee hunger strikes. Last December Aamer filed another lawsuit [JURIST] against the British security forces calling for his release to be granted. Amnesty International (AI) [advocacy website] has denounced [JURIST report] Aamer’s detention at Guantanamo, calling it a “mockery of justice.” In November 2011 AI urged [JURIST report] the US and the UK to work towards the release of Aamer. AI UK Director Kate Allen called on Hague and US officials to give a specific timetable for Aamer’s release. The Hague and the US have been in discussions over Aamer’s release, but no formal indications of a release have been made. The UK agrees that if Aamer is released, they will be wiling to accept him, as they did with former detainee Binyam Mohammed [JURIST report].