OPEC+ Has Begun Talks on Output Cut - Source

The OPEC logo pictured ahead of an informal meeting between members of the Organization of the Petroleum Exporting Countries (OPEC) in Algiers, Algeria, September 28, 2016. REUTERS/Ramzi Boudina

Leading OPEC+ members have begun discussions about an oil output cut at the group's next meeting on Oct. 5, three sources told Reuters.

One OPEC source told Reuters a cut was "likely", while two other OPEC+ sources said key members had spoken about the topic.