Brent crude futures turned lower after Russia said top diplomats have agreed to take immediate steps toward calming tensions in Ukraine.
Russian President Vladimir Putin warned of possible disruption to Europe's gas supply on Thursday, as the U.S. confirmed it would send additional military support to Ukraine.
A former BP employee will pay to settle allegations of insider-trading during the 2010 Deepwater Horizon oil spill.
Deadly clashes in eastern Ukraine have spiked fears of all-out war in the region. So who are the armed, flag-waving rebels who appear to be behind it all?
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