They were all members of the same family, NRT reported.
It is the latest in a spate of attacks by IS terrorists across Iraq.
On Saturday, fire destroyed several farms in Zinana and Muslbag villages in Khanaqin. And on Monday night, fire occurred in Qarachukh Mountain in Makhmour, which the residents blamed IS for it.
On Sunday, two farmers were kidnapped and slained in Kanaqin by a group of people wearing military uniforms.
Reporter's code: 50101