Amnesty International, Liberty and Privacy International filed a legal complaint with the court [of Human Rights] today.
Last year, The Investigatory Powers Tribunal, which oversees the intelligence services ruled (hardly unexpectedly) that mass surveillance of British citizens somehow doesn’t breach their human rights and is a legitimate way to gather intelligence. Confusingly, it also ruled two months later that the surveillance is unlawful because the processes governing how data is gathered and shared are not sufficiently public.
"The IPT was clear in its December judgment that the legal regime is lawful, and that GCHQ does not seek to carry out mass surveillance, "added the spokesperson [for GCHQ]. "The government will be vigorously defending this case at the European Court of Human Rights."