The US and Iran were expected to start haggling over details of a potential nuclear deal in Oman Saturday as they held their third round of talks.

MUSCAT (Reuters) - Top Iranian and U.S. negotiators will meet again on Saturday to hammer out a new deal curbing Tehran's advancing nuclear programme, while U.S. President Donald Trump signalled confidence in clinching a new pact that would block Iran's path to a nuclear bomb.

The United States and Iran reported progress in their latest round of nuclear talks on Saturday and agreed to meet again next week as they pursue a deal that could help ease soaring Middle East tensions.