MOSCOW - World powers and Iran met in Moscow on Monday for talks intended to narrow differences over Tehran's nuclear program and avert the danger of a new war in the Middle East, diplomats said.

The six powers - the United States, Russia, China, Britain, France and Germany - hope to persuade Iran to curb production of high-grade uranium which they suspect is a step towards making nuclear weapons.

Iran, which denies its nuclear program has military purposes, has refused to do so until the six powers publicly acknowledge that it has the right to carry out work.

Tehran also wants relief from intensifying economic sanctions, and faces new US and European Union sanctions in the next two weeks.

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