U.S. responds saying Iran is disappointed by international caution about doing business with Tehran.
Addressing the UN General Assembly, Iranian president also blames world powers for spread of terrorism.
The State Department welcomed Khartoum’s cooperation in fighting Islamic extremist groups.
The Iranian military displays long-range missiles, tanks and Russian-supplied S-300 surface-to-air missile defense system at a parade in Tehran.
Gen Mohammad Hossein Bagheri, chief of staff of Iran's armed forces, offered remarks during annual military parade marking anniversary of 1980 Iran-Iraq war.
When the U.S. and Israelis leaders meet on Wednesday, Obama and Netanyahu will be all smiles for the media - but Obama has the most to laugh about.
The letter, delivered Friday, is aimed at proposals by Republicans to add new sanctions to the Iran Sanctions Act.
U.S. officials say there have been more than 30 close encounters with Iranian vessels in the Gulf so far this year - more than double the amount from the same period last year.
Americans and European advisers provided training in weapons to the Iranian Kurdistan Freedom Party, a group that staged several attacks in Iran this year, as part of the program supporting Kurds in Iraq.
Heavy water and low-enriched uranium stockpiles have remained below limits set by Western powers, says nuclear watchdog in charge of monitoring deal.