Oil futures rose in early trading on Tuesday as the potential for more sanctions following alleged war crimes by Russian troops in Ukraine added to concerns about supply disruptions, while Iran nuclear talks stalled.
Brent crude futures were up $1.58, or 1.5%, to $109.11 a barrel, while U.S. West Texas Intermediate futures were up $1.61, or 1.6%, to $104.89 a barrel at 0028 GMT.
