Brent crude futures were down $2, or 2.9%, to $67.28 per barrel at 0100 GMT. US West Texas Intermediate crude also fell $2, or 3.1%, to $63.17 per barrel.
Brent crude futures were down $2, or 2.9%, to $67.28 per barrel at 0100 GMT. US West Texas Intermediate crude also fell $2, or 3.1%, to $63.17 per barrel.