Iraqi forces launch assault on Mosul Old City

Iraqi forces launched an assault Sunday to retake Mosul's Old City, the last district still held by the Islamic State group three years after the jihadists seized the northern city and declared their "caliphate".Military commanders told AFP the assault had begun at dawn after overnight air strikes by the US-led coalition backing Iraqi forces.The push into Mosul's Old City -- a densely populated warren of narrow alleyways on the western side of Iraq's second city -- marks the culmination of a mon