PITTSBURGH, Sept 25 (Reuters) - The top U.S. negotiator for the Group of 20 summit said a "broad range" of policies will be needed to help fix imbalances in the global economy.

White House aide Michael Froman said he was not sure whether the issue of currencies came up within that discussion.

Froman also said there was no decision whether G20 leaders needed to meet again ahead of climate change talks planned for December but he said they had agreed to stay in close touch on the issue.

(Reporting by Caren Bohan, Editing by Chizu Nomiyama)

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