Iran on Friday condemned new United States sanctions and remarks by France’s foreign minister suggesting Tehran is nearing nuclear weapons capability, following the postponement of the fourth round of nuclear talks with Washington.

Planned negotiations between Iran and the United States this weekend over Tehran’s rapidly advancing nuclear program have been postponed.

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.