Brent crude rose above $112 a barrel

Escalating violence in South Sudan threatened to reduce its crude output further, adding to supply outages in Libya, where production is running at a mere 250,000 barrels per day.

Brent climbed 12 cents to $112.10 by 1438GMT after settling at $111.98 on Thursday, the highest since December 3. US crude topped $100 for the first time in two months and was trading at $100.17 a barrel.