Oil prices rose more than 1% on Thursday after the US carried out fresh strikes on Iran, denting hopes for talks to end their war and for the full reopening of the Strait of Hormuz, a chokepoint for one-fifth of pre-war global oil supplies. Brent crude futures rose 86 cents, or 1.1%, to $78.88 a barrel by 0352 GMT.US West Texas Intermediate crude futures were up 85 cents, or 1.2%, at $74.37 a b