Speakers at Tehran confab, at a time when hopes for a two-state solution wane, stress Tehran's support of Palestinian struggle – a cause of concern among Fatah leaders in Ramallah.
A Revolutionary Guard official says the tests show the Islamic republic is 'ready to give a crushing respond to any threat.'
International Atomic Energy Agency head Yukiya Amano says his organization was 'in constant touch' with the U.S., but has yet to hear from Trump administration on their concerns.
As the U.S. and Iranian presidents trade barbs prior to the Netanyahu's visit, Trump has still not formulated his policy on Syria's ally.
Demonstrators carry 'Death to America' banners and effigies of Trump during rallies held on the anniversary of the 1979 Islamic Revolution.
Iranians march in celebration for the 38th anniversary of the 1979 revolution to oust U.S.-backed shah.
State media blames the incident on an electrical short circuit, the same reason cited for the building collapse that left dozens people dead in January.
Iran's nuclear chief says Iran will receive a final batch of 149 tons of natural uranium by Tuesday, in addition to 210 tons already delivered since early 2016.
Speaking with ABC News, Pence mentioned Iranian ballistic missile testing and Tehran's funding of rebels in Yemen as examples of what is testing the new president.
The Israeli prime minister will be meeting with Prime Minister Theresa May and Foreign Secretary Boris Johnson in London and a week and a before meeting Trump in Washington.
Netanyahu says he will emphasize to Theresa May the importance of a joint stance against Tehran, especially considering Iran's recent missile test.
'If we see smallest misstep from the enemies, our roaring missiles will fall on their heads,' Revolutionary Guard official says.
Jim Mattis spoke at a joint news conference in Tokyo with his Japanese counterpart, Tomomi Inada.
Fresh sanctions on 13 individuals and 12 entities are 'just initial steps in response to Iranian provocative behavior.'
Sanctions would be imposed in a manner that would not violate Iranian nuclear deal and will be imposed partly due to recent ballistic missile test.
Such punishments are rare in Iran, but faced with rising numbers of acid attacks, officials have endorsed principle of 'eye for an eye.'
Trump's comment comes day after his national security adviser put Tehran 'on notice.' Senior GOP congressmen support new sanctions.
In first public media appearance since taking office, Michael Flynn says 'Iran is feeling emboldened' as a result of the nuclear deal. U.S. threats 'useless,' Iran responds.
Tehran conducted two tests over the weekend: one on a long-range missile; the other on how the new U.S. president will react to its provocation.
The medium-range missile traveled 630 miles before exploding, says U.S. official.