Afghanistan, Oct. 30 -- Qatari mediators returned to Tehran on Friday to advance efforts for a US-Iran agreement, but disagreements over nuclear negotiations, oil sanctions and a US port blockade continue to obstruct a possible deal.
The talks are being coordinated with Washington, an official briefed on the negotiations told Reuters. The latest diplomatic effort follows Qatar's presentation of a draft peace plan to Iran on Sunday, aimed at finding a way to end the conflict in the Middle East.
However, a senior Iranian official described the proposals as unacceptable and said Tehran would maintain its position on the nuclear issue, Reuters reported.
The main disagreement concerns the order in which the two sides should address their dema...