The secretary general of the Organization of the Petroleum Exporting Countries (OPEC) said there were no unilateral decisions in the organization.

Iran's Oil Minister Bijan Zangeneh headed to Oman on Friday for bilateral talks on energy cooperation amid rising pressures by the US to tighten the noose around Iran's oil industry.

OPEC Secretary-General Mohammad Barkindo and accompanying delegation paid homage to late founder of Islamic Revolution Imam Khomeini late on Friday.