By Parisa Hafezi MUSCAT (Reuters) -Top Iranian and U.S. negotiators began a new round of indirect talks on Saturday to hammer out a deal curbing Tehran's 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.

Negotiations between Iran and the United States over Tehran’s rapidly advancing nuclear program are to return to the secluded sultanate of Oman.

Iran and the US are holding significant talks in Oman over Tehran's nuclear program. The discussions may lead to an agreement limiting Iran's uranium enrichment in exchange for lifting US sanctions. Despite President Trump's warnings,