Iraqi troops have managed to win back key parts of the northern refinery town of Baiji from Islamic State. Meanwhile, ISIS fighters continue to move closer to Baghdad, which is already said to have been infiltrated.<br /><br />RT's Eisa Ali gained exclusive acces to Islamic State detainees there, to ask why they joined the ranks of the extremists.<br /> <br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.