Oil prices rose on Thursday on persistent worries about supply from the key Middle East producing region amid an increase in attacks on shipping in the Gulf and the Strait of Hormuz.
Brent crude futures rose $1.33, or 1.33%, at $101.53 a barrel by 0116 GMT. US West Texas Intermediate (WTI) crude futures gained $1.11, or 1.26%, to $89.39.