New York Times: It was Secretary of State Hillary Rodham Clinton who, nearly a year ago, fired the Obama administration’s first warning shots about imposing “crippling sanctions” against Iran.

Reuters: Russian Prime Minister Vladimir Putin told U.S. Secretary of State Hillary Clinton on Friday that Russia could sign up to a sanctions resolution on Iran, Russian news agencies quoted a senior Putin aide as saying.

The Times: The US and Russia fell out over Iran’s nuclear programme last night as the two sides offered little sign of a deal to slash their own atomic arsenals.

Reuters: U.S. Secretary of State Hillary Clinton on Thursday said that Russia's plan to start up the nuclear reactor at an Iranian power station was "premature" without further assurances on Tehran's nuclear program.

Reuters: A key lawmaker said on Wednesday he wanted Congress to impose new sanctions on Iran by the end of April in concert with tough, new international action against Tehran over its nuclear work.

Reuters: The United States urged Turkey on Wednesday to support more sanctions against Iran over Tehran's nuclear program, saying Ankara could face consequences if it moves out of step with the international community.

Reuters: China has urged Iran to accept a nuclear fuel swap proposal to ease demands for new sanctions on Tehran, a senior Chinese diplomat said, adding that Beijing wants "every avenue" tried before considering sanctions.

VOA: A top U.S. military commander says Iran poses a major threat to regional stability as it continues its nuclear program in defiance of U.N. Security Council resolutions. 

Reuters: China has become more concerned about developments concerning Iran, China's foreign minister said Tuesday while reiterating his country's opposition to further sanctions to rein in Iran's nuclear program.

AFP: German Chancellor Angela Merkel said Monday the time was nearing for sanctions on Iran over its disputed nuclear programme, as Tehran has rejected Western efforts to find a negotiated solution.