The uncertainty comes as European Union leaders are set to hold an extraordinary summit on March 6 to discuss additional support for Ukraine and how to pay for European defence needs.
Oil Price Today (August 26): Crude oil tanks 6% in two days to hover near $85. What’s behind the decline?
Brent crude futures were down $2.35, or 2.65%, at $86 a barrel, while U.S. West Texas Intermediate crude futures fell $1.94, or 2.36%, to $80.42.