FILE - In this Sunday, March 15, 2015, file photo, a young Shiite volunteer militiaman pauses on his way to the battlefield against Islamic State fighters in Tikrit, north of Baghdad, Iraq. The ... more 
FILE - In this Sunday, March 15, 2015, file photo, a young Shiite volunteer militiaman pauses on his way to the battlefield against Islamic State fighters in Tikrit, north of Baghdad, Iraq. The Associated Press has found that militia forces battling the Islamic State group are actively training children under 18 years old. (AP Photo/Khalid Mohammed, File) less 
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Associated Press | Photo By Khalid Mohammed, File
Tue, Jul 28, 2015 12:18 AM EDT