Anonymous hackers behind the @OpLastResort twitter account have hacked UK and Chinese government websites in response to the nine-hour detention of Brazilian national David Miranda, partner of Guardian journalist Glenn Greenwald, at London’s Heathrow Airport.

Miranda was held by British authorities under a counterterrorism law after visiting documentary filmmaker Laura Poitras in Berlin. Poitras and Greenwald are both involved with publishing classified information leaked by former NSA contractor Edward Snowden.

The hackers gained access to molevalley.gov.uk, a site used by the local government district in Surrey, a county in southeastern England.

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