Brent crude futures rose US$ 4.35, or 4%, to close at US$ 113.17 a barrel, while West Texas Intermediate (WTI) rose US$ 2.32, or 2.4%, to US$ 99.47.
Oil closed 4% higher on Thursday, hitting a five-month high, after Houthi attacks in Saudi Arabia fuelled concerns about new supply disruptions from the key exporting region. Saudi Aramco instructed employees to evacuate its headquarters in Dhahran, in the Persian Gulf, as fighting intensified, Reuters reported, in a text republished by Brasil 247.