Several minority ethnic groups are trying defend their towns from the Islamic State of Iraq and the Levant. They say they've lost confidence in the Iraqi army, and its ability to protect their communities. From northern Iraq, Al Jazeera's Zeina Khodr reports. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter / ajenglish Find us on Facebook / aljazeera Check our website http://www.aljazeera.com/