Washington - Ma'an - Oil prices rose in trading yesterday, Friday, in light of renewed market fears about crude supplies being affected by tensions in the Middle East, as contracts recorded an increase of about 2.5% last week. US West Texas Intermediate crude contracts closed trading yesterday at $83.85 per barrel, an increase of 0.35% from the previous settlement price, while Brent futures contracts ended trading at $89.50 per barrel, an increase of 0.55%. Thus, US crude contracts ended last week's trading with an increase of 2%, and Brent contracts with an increase of 2.55%. Source: Maan News Agency