AT least four police officers were killed when gunmen attacked a police convoy in northern Iraq today, a senior police source said.The attack occurred as about 50 officers were being driven in minibuses to Tikrit, north of Baghdad, after a training course in the Kurdish city of Sulaimaniya, police said. As well as the four killed, at least eight were wounded, police said.
Some 22 officers were seized by the gunmen but later released, police said. Another 16 officers fled at the time of the incident and made their own way to safety, police said.