A U.S. citizen who illegally entered North Korea delivered a lengthy denunciation of U.S. domestic and foreign policy Sunday and said he was seeking political asylum in Venezuela, the North's official media said.

The man identified himself as Arturo Pierre Martinez, 29, from El Paso, Texas, in video footage of a news conference released by the North's KCNA news agency and said he had taken "a risky journey to reach the (North) so that I could pass along some very valuable and disturbing information."

Martinez spoke of human rights violations committed by the U.S. government and its attempt at forcing imperialist influence and domination on other countries, KCNA said in an article released with the footage.