US wants tougher Iran sanctions
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Washington says it will now push for tougher sanctions against Iran over its nuclear activities.
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A senior U.S. official challenged Iran's hard-line president Thursday over his claim that Iranians are immune from further U.N. sanctions, saying such action is in the works unless Tehran meets demands to curb its nuclear program.
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The United States, the EU and Russia  urged Iran Monday to comply with the U.N. nuclear watchdog's  demand that it halt all activities linked to uranium  enrichment, a process that can be used to build an atom bomb.
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The Bush administration may be on the verge of getting what it has long sought: United Nations sanctions on a defiant Iran over its accelerated nuclear program. That may not be much of a victory.
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US Ambassador John Bolton has said Washington was trying &quot;to go the extra mile&quot; to help the European Union convince Iran to freeze its sensitive nuclear fuel work.
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British Prime Minister Gordon Brown said Monday that tougher sanctions are likely against Iran over its contested nuclear program while declining to rule out the possibility of future military action against the country.
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Six world powers will meet early next week in a bid to defuse the nuclear crisis with Iran, while the United States and its allies seek stiffer UN sanctions, US officials said Thursday.
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Kofi Annan urges a negotiated solution to the Iranian nuclear issue, but the US calls for UN sanctions.
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Britain is ready to push for tougher sanctions against Iran over its disputed nuclear programme both through the United Nations and the European Union, Prime Minister Gordon Brown said Tuesday.
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New sanctions to target Iran's institutions show that Washington, frustrated by resistance at the U.N., is moving toward a different strategy to pressure Tehran &#13;&#10;
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The United States intends to move very quickly in early September to impose U.N. sanctions on Iran for refusing to suspend its enrichment of uranium, a senior State Department official said Thursday.
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The United States pressed Iran to meet the demands of the UN nuclear watchdog after the three big European countries made a last-chance offer to make Tehran comply.
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The United States faced growing   opposition on Thursday to its bid to persuade other powers to   impose sanctions on Iran over its nuclear programme, with China   urging dialogue and France signaling room for maneuver.
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The United States, determined to prevent Iran from building nuclear weapons, is piling pressure on European firms to stop them doing business with Tehran, diplomats say.
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The US is seeking to increase economic pressure on Iran, even as its partners in the European Union talk to the Islamic Republic about beginning formal negotiations on Tehran's nuclear programme.
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The United States told Iran on Thursday it must change its nuclear course or be isolated, but Tehran remained defiant despite the specter of harsher sanctions as it held talks on its atomic work with the European Union.
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The United States lobbied its allies Monday to have Iran hauled before the U.N. Security Council over its nuclear program as the world body's atomic watchdog agency considered how tough a line to take in pressuring Tehran to meet its demands.