Technical discussions to continue in Vienna, but unclear whether differences can be resolved to avoid war.

Third round of indirect negotiations to take place amid a massive US military build-up in the Middle East.

Third round of indirect negotiations takes place amid a massive US military build-up in the Middle East.

Third round of indirect negotiations takes place amid a massive US military build-up in the Middle East.

Third round of indirect negotiations takes place amid a massive US military build-up in the Middle East.

Omani FM says Iran, US discussing proposals in respective capitals, "technical" talks to take place in Vienna next week.

Las delegaciones mantendrán nuevos contactos técnicos la próxima semana en Viena, según Omán, el país mediador

Technical discussions to continue in Vienna, but unclear whether differences can be resolved to avoid war.

Iran, US discussing proposals, "technical" talks to take place in Vienna on Monday, Iran's FM Araghchi says.

Iran's foreign minister told state TV that the talks 'made very good progress and entered into the elements of an agreement very seriously, both in the nuclear field and in the…

Iran's nuclear program, enrichment of uranium and its ballistic-missle development program have been at the crux of the negotiations.