Oil markets jumped on Monday as Iraqi forced entered the oil city of Kirkuk, taking territory from Kurdish fighters and raising concerns over exports from OPEC’s second-largest producer. Flames are seen coming from a burn off valve at the American Refining Group, Inc., (ARG) the oldest continuously operated refinery in the United States founded in 1881, in Bradford, Pennsylvania, U.S. October 6, 2017. REUTERS/Brendan McDermid Iraq launched the operation in the multi-ethnic region on Sunday as the crisis between Baghdad and the Kurdish Regional Government (KRG) escalated. Tensions have been building since the KRG voted for independence in a Sept. 25 referendum. Sponsored International Brent crude futures LCOc1 were at $57.75 per barrel at 0733 GMT, up 58 cents from the previous close, after trading as high as $58.13. U.S. WTI crude was at $51.95 per barrel, up 50 cents. Earlier in the day, it traded […]