The Guardian l Patrick Wintour : Washington demands emergency meeting to call for tough line against Tehran � which Moscow says is an American attempt to undermine Iran�s sovereignty

American efforts to win UN security council backing for a tough line against the Iranian leadership in the wake of this week�s protests came unstuck after�Russia accused Washington of seeking to undermine Iranian sovereignty by convening an emergency UN session on Friday.

The Russians demanded a closed session of the security council � before the open session wanted by the US � at which Russia will attack the American misuse of the UN to interfere in the sovereignty of�Iran. If Russia challenges the need for the emergency meeting, the US needs nine backers on the 15-strong security council for it to go ahead. There are no vetoes.

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