Iran has rejected Western overtures and the international community has no choice but to move toward imposing new sanctions over its nuclear program, U.S. Defense Secretary Robert Gates said on Monday.

"We must still try and find a peaceful way to resolve this issue. The only path that is left to us at this point, it seems to me, is that pressure track but it will require all of the international community to work together," Gates said at a joint news conference with French Defense Minister Herve Morin.

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