Few others were injured.
An Iraqi army source told Kurdsat, five people were killed and 10 others wounded in an attack by ISIS fighters on an Iraqi army checkpoint in Wadi Naft area of northern Kirkuk province this morning.
Two officers and a soldier were killed and two others wounded in the incident, the source explained.
According to KurdSat reporter the injured are currently receiving treatment at Kirkuk hospital.
ISIS terrorists frequently attack Iraqi security forces in the area.