China, Russia and Iran jointly called for putting an end to all illegal unilateral sanctions, after senior diplomats from the three countries gathered in Beijing on Friday for talks on Tehran's nuclear issues.

Iran hopes constructive engagement with other nations can help resolve its nuclear issue, said CGTN correspondent Eshan Keivani in Tehran. According to CGTN correspondent Dasha Chernyshova in Moscow, Russia pledges to do everything to promote negotiated track for Iranian nuclear program.