Iran Focus: Tehran, Apr. 12 – A senior Iranian official on Monday demanded that US President Barack Obama be placed on trial for "criminal" comments against Iran.

Reuters: Following are some details of the sanctions imposed on Iran by the United States, European Union and United Nations:

Bloomberg: Chancellor Angela Merkel said a decision on additional sanctions against Iran because of its disputed nuclear program is approaching “very soon.”

AFP: Iran's envoy to the UN nuclear watchdog spurned the US nuclear summit opening on Monday, saying any decision taken at the conference is not binding on nations absent from the event.

AFP: Russian President Dmitry Medvedev said in an interview aired Monday that while he agreed sanctions were needed to halt Iran's nuclear drive, they should not crack down on its oil trade.

Reuters: President Barack Obama will seek to build momentum with China in his push for sanctions on Iran as world leaders assemble in Washington on Monday for an unprecedented nuclear security summit.

New York Times: A large majority of Iranian lawmakers, angered over the Obama administration’s new nuclear weapons policy that conspicuously makes Iran and North Korea possible targets, urged their government on Sunday to formally complain to the United Nations.

Reuters: China has made clear to the United States and four other world powers that it dislikes a proposed ban on new investments in Iran's energy sector as part of a new round of U.N. sanctions, diplomats said.

AFP: US Defense Secretary Robert Gates said on Sunday that Iran is not on the threshold of producing a nuclear weapon and that its program was progressing slower than Tehran expected.