ReutersExclusive: Iran sweetens oil contracts to counter sanctions and price plungeReutersTehran is engaged in talks with world powers about its disputed nuclear program as it tries to strike a final deal to lift the sanctions that have halved its oil expo …

ReutersIran minister's Saudi visit delayed due to oil price fall: TehranReutersDUBAI (Reuters) - Iran's Foreign Minister Mohammad Javad Zarif has postponed a visit to Saudi Arabia in protest against Riyadh's reluctance to cut oil production, a …