On Monday, 11 people were killed in ISIS attack on a lookout point west of Baghdad manned by a state-sponsored tribal force, according to a security source.
"ISIS attacked the monitoring tower, killing five members of the tribal Hashed and six local people who had come to help repel the attack," the security source said.
Eight wounded were transferred to a hospital in central Baghdad, a source told AFP.
There was no immediate claim of responsibility from ISIS.
It is worth mentioning that, ISIS swept across a third of Iraq in 2014, seizing major cities across the north and west and reaching the suburbs of the capital Baghdad.