Kurdish peshmerga military forces took control of the oil-rich city of Kirkuk on Thursday -- to resist Sunni militants -- as the country edges closer to a full-blown sectarian conflict. WSJ's Jason Bellini explains. Subscribe to the WSJ channel here: http://bit.ly/14Q81Xy Visit the WSJ channel for more video: / wsjdigitalnetwork More from the Wall Street Journal: Visit WSJ.com: http://online.wsj.com/home-page Follow WSJ on Facebook: / wsjlive Follow WSJ on Google+: https://plus.google.com/+wsj/posts Follow WSJ on Twitter: / wsjlive Follow WSJ on Instagram: / wsj Follow WSJ on Pinterest: / wsj Follow WSJ on Tumblr: http://www.tumblr.com/tagged/wall-str... Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: / videos On Twitter: / wsj On Snapchat: https://on.wsj.com/2ratjSM