Brent crude futures were up 50 cents, or 0.69%, at $73.45 a barrel at 1208 GMT. U.S. West Texas Intermediate (WTI) crude rose 63 cents, or 0.91%, to $70.13 a barrel.

Crude oil futures rise amid US-Iran tensions in West Asia, with Brent at $73.32 and WTI at $70.07.

Brent crude futures up $73.17 a barrel; US West Texas Intermediate crude rises $70.92; US and Iran attacks underscore fragility of the interim peace deal.