(KUNA) -- An insurgent leader was killed and 12 were injured after two military operations conducted by the Iraqi army, said a US army source Monday. The source told KUNA that the Iraqi army managed to kill a leader of an insurgent cell and to arrest four of his henchmen in southeast of Talafar in northern Iraq.A different statement by the US army said that the Iraqi forces also managed to arrest another cell leader and six gunmen in Al-Rashid area mosque in southern Baghdad. The source added that the force managed to confiscate the militants weapons and ammunitions after the arrest.