The remains of 15 bodies have been recovered from a shallow mass grave in Sulaiman Bek, some 150 kilometers (95 miles) north of Baghdad.
The Iraqi army and thousands of volunteer fighters have liberated the northern town of Sulaiman Bek, inflicting heavy losses on the ISIL Takfiri terrorists.
A suicide bomber has detonated an explosives-rigged vehicle at a checkpoint in northern Iraq on Sunday, killing seven police, and gunmen have shot dead three people, officials say.
Iraq's Defense Ministry has announced a 72-hour cease to military operations in the militant-held city of Fallujah.
Iraqi security forces have regained full control of a northern town, flushing the al-Qaeda-linked militants out of the area, an official said.
Iraqi army troops backed by police forces have killed 15 al-Qaeda-affiliated militants, regaining the control of a northern town and nearby areas, an official said.
Iraqi forces fought on Friday to retake part of a northern town and areas seized by gunmen, an official said.