Key OPEC+ producers reach preliminary output deal - source
DUBAI (Reuters) - Key producers of OPEC+ countries have reached a preliminary deal on gradually raising oil output until December and extension of their pact until end of 2022, an OPEC+ source told Reuters on Sunday.
OPEC+ holds an online meeting later on Sunday.
(Reporting by Rania El Gamal; Writing by Vladimir Soldatkin; Editing by Andrew Cawthorne)