By Alex Lawler and Ahmad Ghaddar

LONDON (Reuters) -OPEC+ oil-producing countries opted for only a modest rise to November output due to concerns about a potential global glut, sources within the group said, as non-OPEC supply also rises while fuel demand growth slows.

On Sunday, the group earmarked an extra 137,000 barrels per day for November, continuing monthly output boosts begun in April.

That was the smallest of the options the group discussed, three OPEC+ sources said, citing concerns about a looming oversupply.

OPEC declined to comment. The Saudi Arabian government office did not respond to a request for comment.

“OPEC+ stepped carefully after seeing how nervous the market had become,” said Jorge Leon of Rystad Energy and a former OPEC official.

Benchmark Brent oil prices fell

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