VIENNA: Saudi Arabia promised not to flood the oil market with extra barrels as Opec headed into a heated debate about production policy, with Iran insisting on the right to raise output steeply.
Tensions between the sunni-led kingdom and the shi'ite Islamic Republic have been the highlights of several previous Organisation of the Petroleum Exporting Countries (Opec) meetings, including in December 2015 when the group failed to agree on a formal output target for the first time in years.
