For the month, Brent was on course to finish nearly 14% higher, while WTI was heading for a 15% jump to close above $100 for the first time since April Oil prices climbed in early trade on Friday on supply concerns after Yemen's Iran-aligned Houthis stepped up attacks ​on Saudi Arabia, on track for a fourth straight monthly ​gain and the steepest since July. Brent crude futures rose 86 cents, or ‌0.75%, to $115.74 a barrel as of 0122 GMT.