The advance of the Iraqi army against ISIL is forcing a growing number of people from their homes. It's a situation that aid agencies in Iraq say is only going to get worse. Al Jazeera's Jane Arraf reports from Baghdad. More on our website: http://aljazeera.com Follow us on Twitter: / ajengligh Subscribe to our channel: http://bit.ly/AJSubscribe Find us on Facebook: / aljazeera