The US Department of Homeland Security (DHS) has published redacted files concerning Maher Arar, a Candian/Syrian dual national who was mistakenly suspected of terrorist connections. He was detained in the US and rendered to Syria, where he was tortured. The US Government contends that he was deported to Syria, rather then rendered. The files can be read here (under Records Concerning the Removal of a Canadian Citizen to Syria).
Andrew Tyrie's latest written questions on Diego Garcia can be read here.
The Metropolitan Police have been investigating MI6's role in the alleged joint US/UK rendition of Sami al-Saadi and Abdul Hakim Belhaj in 2004. More can be read here.
The Court of Appeals ruled that the case was not barred by the 'act of state' doctrine because public policy considerations - namely the potentially grave violations of human rights and international law - favoured the court exercising jurisdiction over the case. The Government previously argued that allowing the case to proceed would damage international relations, an argument that the Court has rejected. More can be read here and here.