Brent oil up 5% this week on fears of U.S.-Iran conflict

LONDON (Reuters) - Brent oil rallied above $65 per barrel on Friday and was on track for a 5% gain this week on fears of a U.S. military attack on Iran that would disrupt flows from the Middle East, which provides more than a fifth of the world's oil output. Brent crude was up $0.69, or 1.07%, at $65.14 a barrel at 1210 GMT. The global benchmark jumped 4.3% on Thursday and is on course for its first weekly gain in five weeks.U.S. West Texas Intermediate crude was up 24 cents, or 0.42%, at..