Brent crude rises 3 percent despite Iran's offer to reopen waterway in exchange for deferral of nuclear talks.

Brent crude rises more than 2 percent after Washington and Tehran fail to hold second round of talks in Pakistan.

Brent crude rises 3 percent despite Iran's offer to reopen waterway in exchange for deferral of nuclear talks.

Oil extended gains Thursday on signs of a prolonged U.S. blockade of Iranian exports and stalled nuclear negotiations.

Oil markets spooked as Donald Trump appears willing to maintain the US Navy blockade and Iran keeps strait of Hormuz all but shut