Brent crude futures were down $1.73, or 2.5 per cent , at $67.73 per barrel at 1402 GMT. US West Texas Intermediate crude was down $1.67, or 2.5 per cent , at $63.47Brent crude futures were down $1.73, or 2.5 per cent , at $67.73 per barrel at 1402 GMT. US West Texas Intermediate crude was down $1.67, or 2.5 per cent , at $63.47 Latest News [ SOBAN NEWS: International and National ]