Oil prices rose more than $1 a barrel on Thursday after fresh Houthi attacks in Saudi Arabia raised concerns over a broader escalation of conflict and further disruptions to supplies from the Middle East.
Brent crude futures rose $1.93, or 1.77 percent, to $110.75 a barrel at 07:42 a.m. Saudi time, while US West Texas Intermediate crude gained $1.43, or 1.47 percent, to $98.58.
Brent had settled largely unchanged on Wednesday, while WTI had eased 67 cents.