WATCH: (Scroll Down For Video) Sickening footage of the mass execution of 200 Syrian children has emerged online.

In the new Islamic State video, children are bound, lined up and forced to lie face down in the dirt before the barbaric killers open fire with automatic rifles.

The video has been circulated online by a Yemen-based anti-ISIS activist.

It is currently not known what the children had done in order to be sentenced to death.

Experts believe the video was shot in Syria – where the terror group maintains a stranglehold over large swathes of territory, including their de-facto capital of Raqqa.

Analysts believe ISIS have been trying to ramp up its campaign of fear following losses in battles with Kurdish and Iraqi forces as well as the pounding it has been receiving from Russian war planes.

In addition to the mass killings, the terrorists have also attempted to invent new ways in which to murder people.

Public beheadings, dismemberment, and throwing people from tall buildings are a common occurrence within ISIS territory.

[Editor’s Note: Breaking911.com chooses to give it’s readers access to all available content as it relates to breaking news and major world events, this includes propaganda videos. Watch at your own risk.]

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