(NEWSER) – The terror group known as the Islamic State, or ISIS, claims to have beheaded American photojournalist James Foley in retaliation for US airstrikes in Iraq, reports the Washington Post and NBC News.

A graphic video purports to show Foley, 40, being executed after reciting a statement in which he refers to the USgovernment as "my real killers."

Another man, believed to be a US journalist named Steven Joel Sotloff, is then brought on screen. "The life of this American citizen, Obama, depends on your next decision," says the executioner.

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