Story highlights Video shows four men being beheaded

ISIS claims it is four captives from a prison where coalition forces liberated 70 hostages

A man speaking English in the recording apparently is not the executioner nicknamed "Jihadi John" from other videos

(CNN) A video purportedly from ISIS surfaced online Friday and shows the terrorists beheading four Kurdish Peshmerga fighters in retaliation for the daring raid by U.S.-led coalition forces last week in northern Iraq.

At the end of the 15-minute video, a masked English-speaking man delivers a warning to U.S. President Barack Obama before he executes one of the prisoners, who is wearing an orange jumpsuit.

The three other prisoners are also seen being beheaded at the end of the video and Arabic text appears onscreen. It translates as "Peshmerga soldiers that Americans came down to rescue."

Earlier in the video, ISIS also claims to show the aftermath of the raid during which 70 hostages were rescued by Kurdish, U.S. and Iraqi forces from an ISIS prison in Hawija, in the northern Iraq province of Kirkuk.

"ISIS respects no form of human rights. Our message to them is that we will finish them," said Dindar Zebari, a spokesman for the Kurdistan regional government. "But we have another message for them. We hold 215 ISIS prisoners and we treat them according to international human rights laws.

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