(KUNA) -- Three Iraqi soldiers were killed in Kirkuk on Friday, while a policeman was killed and two others were wounded in Mosul. A Kirkuk police source told Kuwait News Agency (KUNA) that three Iraqi soldiers were killed in the Kirkuk village of Rashad when unknown militants opened fire on a car they were driving. Of the three soldiers killed were two bothers, the source said, adding that they were driving on their way to join their unit.Meanwhile in Mosul, unknown militants killed a policeman east of the city, while two policemen were wounded when an explosive device went off as their patrol vehicle was passing by the area.