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(CNN) – Terrorists becoming capable of shooting down aircraft has long been a security nightmare.
Now, new images posted by ISIS may show it is already a reality. The video shows an ISIS militant firing at an Iraqi helicopter with a shoulder-fired missile, identified by experts at Jane's Defense as a Chinese-made FN-6.
The next frame shows what ISIS claims was the result – the twisted wreckage of the downed chopper.
CNN's Jim Sciutto reports.