BRUSSELS— Iran's Foreign Minister dismissed Wednesday accusations by the top US and NATO commander in Afghanistan that Tehran has helped train and arm Taliban insurgents.

Manouchehr Mottaki says "those kinds of lies are designed to conceal the failures of the (NATO forces) in Afghanistan."

Mottaki also said the possibility of the UN Security Council adopting a US-backed resolution calling for further sanctions against Iran over its nuclear program were "very, very small."

He said Wednesday in Brussels that Russia and other council members are working to modify the resolution.

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