The Ambassadors of five permanent members of the UN Security Council and Germany have held closed door talks in New York on fresh sanctions against Iran over its nuclear programme.<br/><br/>Diplomats said the envoys of four Western powers have been trying to enlist the support of their Russian and Chinese counterparts for fresh UN sanctions against Iran. <br/><br/>Meanwhile, the US Military has warned that Iran could produce highly-enriched uranium for a nuclear bomb in one year. <br/><br/>Speaking in the US Senate Armed Services Committee, two senior American military officials, however said that Teheran will take another three to five years to actually produce a nuclear weapon. <br/><br/>The warning came as Iran said it has produced its first significant batch of more highly-enriched uranium<br/>