JERUSALEM (Reuters) -Israeli Prime Minister Benjamin Netanyahu on Sunday repeated calls for Iran's entire nuclear infrastructure to be dismantled, as Washington and Tehran engage in talks for a nuclear accord.

MUSCAT, Oman —Iran and the United States held their first technical-level talks on Tehran’s rapidly advancing nuclear program Saturday, a more complex phase of their high-stakes negotiations.

The United States and Iran have begun a third round of nuclear talks, entering what experts describe as a more difficult phase of technical negotiations this weekend as Washington lays out its conditions.