Still from the film shows Syrian soldiers digging their own graves as a North American accented man speaks to the camera. (YouTube)
Still from the film shows Syrian soldiers digging their own graves as an American-accented man speaks to the camera

The Isis propaganda wing has released a 55-minute long blockbuster-style film, narrated by a US accented militant.

Entitled Flames of War, the film attempts to strike fear into the enemies of the terrorist group, and inspire new recruits to join them, portraying the organisation as a cohesive unit with a clear mission riding a groundswell of popular support.

A man with an American accent provides the voice over, proclaiming, "In the face of the dark wave of the crusader force, the historical land of two rivers bore life to a mission that would transform the political landscape of the world."

It is produced by Islamic State propaganda unit Al Hayat Media Center, and includes post-production effects, including slowed down explosions and graphics.

Flames of War contains extensive footage shot by militants on the battlefields of Iraq and Syria, portraying the groups campaigns as a heroic holy war to establish an Islamist caliphate in the face of devious enemies both in the Middle east and abroad.

Syrian troops dig their own graves

In one chilling scene, alleged Syrian soldiers are shown digging their own graves. One of them laments being abandoned by President Bashar al-Assad and urges parents to pull their children out of the Syrian armed services.

A balaclava-clad militant, who also seems to have an American or Canadian accent, but who is different to the narrator earlier in the film, speaks to the camera.

"We're here with the soldiers of Bashar, you can see them now digging their own graves where they were stationed. The very place they were stationed, terrorizing the Muslims in Raqqa.

"This is the end that they face," he said, gesturing to the men.

The men are then lined up along the edge of a trench and shot in the head.

A trailer for the film released earlier this week warned Obama of the consequences of deploying ground troops in Iraq to combat Islamic State.

The release of both films seems to be at times in reaction to comments by General Martin Dempsey, the chairman of the Joint Chiefs of Staff, who told the Senate Armed Services Committee this week that effectively combatting Islamic State may require the deployment of ground troops.

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