Tehran seems to think that the departure of its archenemy, Donald Trump, could give it more diplomatic scope for its regional ambitions. But this could prove to be very much mistaken.

Iran said it would not go on "a buying spree" of weapons while announcing that the UN arms embargo from 2007 has now expired. Tehran also said that "weapons of mass destruction" had no place in their defense.

Seoul has summoned Iran's ambassador to South Korea and lodged a protest over Tehran's threat to take legal action over the freezing of Iranian assets in South Korean banks. Julian Ryall reports.

Every day in the Iranian capital Tehran, thousands of supporters of the most conservative branch of the Iranian regime visit mausoleums honouring Shiite martyrs or other places linked to the Islamic Revolution. But on the streets, a younger generation is scorning the country's strict rules. Young women and men alike are yearning for change and a better relationship with the West. Our reporters went to meet this optimistic Iranian youth, which is becoming emancipated and dreaming of a future of freedom, in radical contrast to the most conservative Iranians.

Iran with a history of several thousand years and a very versatile climate is an interesting place that is interesting to explore. And while Iran has promised to revenge the killing of its top military chief, President Donald Trump has vowed to hit 52 Iranian sites if Tehran carries out any reprisal attack. GuardianTV brings to you the top five possible targets.

The IAEA has urged Iran to cooperate as the agency gathers information on Tehran's nuclear program. It confirmed Tehran was preparing to use more advanced centrifuges — further breaching a fragile 2015 nuclear deal.

Tehran has threatened "grave consequences" if the US renews efforts to detain an oil tanker at the center of a diplomatic row. The vessel was detained in Gibraltar for six weeks but left anchorage on Sunday night.

The family of a jailed British-Iranian woman says she has been taken to the psychiatric ward of a hospital in Tehran. The case has fueled tensions between Iran and the UK amid attempts to salvage a 2015 nuclear deal.

A United Nations Security Council discussion on Iran's civil unrest turned into criticism of the United States for requesting to meet over what some member states said was an internal issue for Tehran.

Panel of journalists looks at anti-government demonstrations across Iran flaring up a week ago, the biggest since the 2009 post-electoral protests in Tehran. We look also at the first visit to Paris of Turkey's president Recep Tayyip Erdogan since the election of Emmanuel Macron; Trump threatening the Palestinians, Pakistan and North Korea; Emmanuel Macron promising reporters a bill as early as next month to combat fake news.

U.S. President Donald Trump struck a blow against the 2015 Iran nuclear agreement on Friday in defiance of other world powers, choosing not to certify that Tehran is complying with the deal and warning he might ultimately terminate it.

Iran's President Hassan Rouhani takes the oath of office before parliament in Tehran, and is inaugurated for a second term as leader, following his re-election in May.