The Riah, a 58-meter (190-foot) oil tanker, typically made trips from Dubai and Sharjah on the UAE's west coast, entered Iranian waters and turned off its tracker two days ago.
Iran's uranium enrichment level has passed 4.5 percent, exceeding the cap set by the 2015 nuclear deal.
Baghdad has become the centre of a tug of war between Washington and Tehran, but it's trying its best to maintain a balance between the two rivals while pursuing its own interests.
US President Donald Trump has taken several aggressive actions that Iran has all but absorbed. Now, he's left with few options aside from a military strike, which he says he doesn't want. So what now?
Authorities in Gibraltar intercepted the Iranian supertanker which was believed to be breaching European Union sanctions by carrying a shipment of Tehran's crude oil to Syria.
Turkey's President Erdogan says that he is open to mediating talks between Washington and Tehran to deescalate tensions and find a common ground to solve the problems.
Abbas Araghchi, Iran's deputy foreign minister, said progress was made at talks in Vienna aimed at saving the nuclear deal but probably not enough to convince Tehran to change its decision to go over the deal's core atomic restrictions one by one.
The latest data from UN inspectors showed that Iran had not yet crossed the uranium stockpile limit but was on course to do so within days.
Experts believe Trump’s latest sanctions on Iran will have little impact because Washington has not articulated a clear exit policy for Tehran following the US violation of the nuclear deal.
US President Donald Trump says that he has "plenty of time" to try to forge an agreement with Tehran while Iran tells the UN Security Council that it cannot "alone" save the nuclear deal.
The US-India relationship is not mutually beneficial as India seems to be making all the concessions while the US disregards India's interests.
Rouhani was speaking by phone to his French counterpart Emmanuel Macron, as Tehran and Washington engaged in an escalating war of words following Iran shooting down a US drone last week.
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