A senior Iranian official says the Islamic Republic has not changed its policy in Syria as a fresh round of international talks is set to start to find a solution to the Syria crisis.

Iran says its new format of oil sector contracts requires foreign companies to form partnerships with local firms over the projects they plan to take up in the country.

Iran has called for an end to meddling in Syria’s domestic affairs, saying the issue of foreign interference will be raised in the upcoming peace summit in Vienna, Press TV reports.