Saudi Arabia and Iran summon each others' envoys as global powers fear this could escalate further.
Iran's supreme leader accuses US and 'arrogant' western powers of creating internal war on Islamic world.
Russia will transfer 140 tons of raw uranium to Iran for civilian purposes.
Some 53 US citizens and diplomats held captive in Tehran between 1979-1981 to receive $4.4m payout.
Cartel says 2014 levels of oil prices will not be achieved until 2040.
IBTimes UK looks at the history of banning Christmas.
The remarks were made by the UN's human rights chief in a Security Council session.
Move will hit Britons with Iranian, Syria, Iraqi or Sudanese dual nationality.
John Kerry and Iran's Mohammad Javad Zarif hail watchdog move.
Alliance led by Saudi Arabia will "protect the Islamic nation from the evils of all terrorist groups."
Iran says there is 'absolutely no chance' in delaying increased oil shipments.
Iran's top assembly of clerics begins compiling list of potential successors for Supreme Leader.
She was also sentenced to lashings and a 25-year jail term for her alleged involvement in her husband's death.
Migrants and experts say that trend of youth brain drain in Iran is reversing
Female members were banned from performing because they didn't wear appropriate head covering.
Rezaian was convicted of spying but Iran has not clarified on how the judgement came to be.
Bashar al-Assad's atrocities and Russian bombs help keep Islamic State strong
Migrants from Pakistan, Iran, Morocco and other countries have been left stranded.
Police hold Abubakar Sadiq Louw, 69, and Yassin Sambai Juma, 25, on accusations of being Iranian agents.
When Qaboos dies, what kind of power vacuum would be left?
From political intrigue to lush monsoons, Oman is not all it seems.
The Iranian Revolutionary guard have disrupted a terrorist cell in the Western region of Kermanshah.