“An intimate sexual relationship instigated by an undercover police officer with a member of the public for the purposes of obtaining information fell within the scope of ‘personal or other relationship with a person’ for the purposes of section 26(8) of the Regulation of Investigatory Powers Act 2000 so that, by section 65, the Investigatory Powers Tribunal had exclusive jurisdiction to hear a claim brought against the police under the Human Rights Act 1998.”
WLR Daily, 18th January 2013
Source: www.iclr.co.uk