Two suicide bombings claimed by Islamic State have killed more than 20 people in and near Baghdad, as Prime Minister Haider al-Abadi visited with troops . Iraqi government forces are keeping up the pressure on ISIL - beginning a major operation on Monday to storm the militant stronghold of Falluja, reports say. The deputy commander of operations in Iraq's Nineveh province, General Kareem Maher Jaber, Thursday visited the frontline of the fight between Iraqi troops . Iraq: Government forces clear areas around Fallujah Tuesday after launching an assault to retake the city, tightening their siege on Islamic State. Vietnam: US .