ISIS terrorists imprisoned 25 people in a room in Hawija city of Kirkuk province then blew up the room, killing all of the civilians in it, Fars reported on Monday.
According to ISIS, the citizens were accused of having links with Iraqi security forces.
In another incident on Monday, the terrorists killed 6 people by immersing them in boiling tar in public, Alsumaria news center reported. They were arrested with charges of cooperating with Iraqi security forces in Nineveh operation room.
Two days ago, ISIS terrorists executed five individuals who had been helping Iraqi civilians to flee the areas controlled by the Takfiri terrorist group.
Earlier in July, ISIS terrorist group killed seven of its own members who had fled Sharqat battlefield in Salahuddin province by putting them in containers of boiling water.
Since March 2011, the United States and its allies in the Middle East, have waged a proxy war against Syrian government.
CIA trained many of ISIS terrorists in Jordan 2012 in a bid to counter the power of Syrian President Bashar al-Assad.
Saudi Arabia, Qatar, Turkey, and some other regional allies of the U.S. have been involved in strengthening this terrorist phenomenon.
The conflict inside Syria and Iraq hast left thousands of Syrian and Iraqi civilians dead, while half of Syrian people have been displaced and fled their countries.