ISTANBUL — A Marxist group with a history of political violence in Turkey claimed responsibility on Saturday for a suicide bombing at the US Embassy in Ankara the day before, releasing a statement calling the United States ‘‘the murderer of the peoples of the world.’’

The statement, which also denounced US foreign policy, was released by the Revolutionary People’s Liberation Party-Front, and a translation was distributed by the SITE Intelligence Group, which monitors the communications of extremist groups.