Brent crude futures, the international benchmark, gained 1.5% to $92.10 a barrel. U.S. West Texas Intermediate futures advanced 0.9% to $85.23 per barrel.

Oil rose sharply amid renewed tensions in the Middle East after Iran launched an attack on U.S. forces using ballistic missiles.

Brent futures increased by $3.15, or 3.8 percent, to $87.24 a barrel