London — Oil prices rallied towards $65 a barrel on fears of a US military attack on Iran that would disrupt flows from the Middle East, which provides more than 20% of the world’s oil output.

Brent crude was up 42c, or 0.66%, at $64.87 a barrel by 8.50am GMT. The global benchmark jumped 4.3% on Thursday and was up about 5% for the week, in its first weekly gain in five weeks...

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