Iran’s top diplomat, Abbas Araghchi, has left Islamabad for Moscow, the Iranian Ministry of Foreign Affairs said, as mediators hope to keep the prospect of more Tehran-Washington talks alive, Aljazeera reported. 

Araghchi sandwiched a trip to Muscat, Oman, in between visits to the Pakistani capital, leaving on Sunday to be in Russia the following day. But there was no indication that direct talks between Iran and the United States would resume.

However, in a sign that indirect efforts were ongoing, the Fars news agency reported that Iran had transmitted “written messages” to the Americans via mediator Pakistan, which were “about some of the red lines of the Islamic Republic of Iran, including nuclear issues and the Strait of Hormuz”.