'Obama the only official responsible for Gitmo's existence' (VIDEO)

Three and a half months into the Guantanamo hunger strike and the U.S. military running the facility's under fresh pressure to close the camp.

The notorious international group of hacktivists, known as Anonymous, have threatened to disrupt prison activity - forcing the authorities to shut down wireless Internet access as a precaution.

Most of the 166 detainees at Guantanamo are starving themselves in protest at indefinite detention without charge. RT's Marina Portnaya met one of the captives' lawyers.