A network of secret underground tunnels used by ISIS militants have been discovered by Kurdish forces in the Iraqi town of Sinjar.
The tunnels, which appear to be wired with electricity, stretch for hundreds of meters, and are believed to have been dug by the forced labour of prisoners.
The hideouts were strewn with US made weaponry and prescription drugs.
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Sputnik news reports:
Newly obtained footage shows Kurdish forces examining the now abandoned tunnels. Cluttered sleeping quarters can be seen storing everything from copies of the Quran and bedding to US-made ammunition and drugs.
Incredibly, some of the tunnels appear to be wired with electricity.
They were used by militants to hide underground from the threat of anti-ISIL coalition, as well as Russian airstrikes.
Some experts believe they reveal the strategy of the extremist fighters was to try and draw attackers into an underground battle. The extremists would be more protected from airstrikes and their technological inferiority would not be such a stark disadvantage.
One Peshmerga Kurdish Commander told AP:
“Daesh [ISIL] dug these trenches in order to hide from air strikes and have free movement underground as well as to store weapons and explosives. This was their military arsenal.”
Entrances were hidden under buildings, which then led to passageways into the tunnels.
Nearby was the macabre discovery of what is thought to be two Yazidi mass graves. Bones and skulls were found bleached and exposed in the sun, next to the torn rags of old clothing.
The Yazidis are an ethnic and religious minority in the region, being persecuted, raped and murdered by ISIL extremists.
The beleaguered Iraqi town had been held by ISIL for more than a year before being liberated by Kurdish troops.
Whilst some of the underground tunnels remain intact, the town above has now collapsed into rubble.
#ISIS ‘ tunnels & unsophisticated but lethal IEDs in #Sinjar #Iraq pic.twitter.com/CaS9tlJfuA
— Donatella Rovera (@DRovera) November 22, 2015