British prime minister David Cameron is to meet the president of Iran in New York today to urge him to join the international effort to tackle Islamic State. Photograph: Dominic Lipinski/PA Wire.

British prime minister David Cameron is to meet the president of Iran today to urge him to join the international effort to tackle Islamic State.The m(...)

A Kurdish Peshmerga fighter walks past a house destroyed by American air strikes at Barznki village two days ago in Zummar, controlled by Islamic State (IS), near Mosul, Iraq. Photograph: Ahmed Jadallah/ Reuters

The United States has taken the first step in its expanded fight against Islamic State (IS) militants, going to the aid of Iraqi security forces near (...)

Ayatollah Ali Khamenei after his surgery in a hospital in Tehran yesterday. Photograph: AP Photo/Office of the Iranian Supreme Leader

Iran’s top authority Supreme Leader Ayatollah Ali Khamenei has successfully undergone prostate surgery, Iranian state media and his website said yeste(...)

The figure of Mohammad Mossadegh, the prime minister of Iran who was overthrown by the CIA and MI6 in 1953, continues to haunt Iran, as in this painting by Farideh Lashai. Photograph: Nazanin Paykar-Ara

A tall, ravishing brunette with a superior air, drenched in Chanel 5, greets visitors to a gallery opening in north Tehran. Women flaunt their long(...)

“We are strongly opposed to US and other intervention in Iraq,” IRNA news agency quoted Iran’s supreme leader Ayatollah Ali Khamenei as saying. Photograph: Reuters

Iran’s supreme leader yesterday accused the US of trying to retake control of Iraq by exploiting sectarian rivalries, as Sunni insurgents drove tow(...)

Iranian rial banknotes bearing a portrait of the late Ayatollah Khomeini sit on the stand of an Iraqi money dealer in Arbil. If the six great powers negotiating with Iran reach an agreement on the nuclear issue by the July 20th deadline, the rial is sure to appreciate. Photograph: Karim Sahib/AFP/Getty Images

The face of Ayatollah Ruhollah Khomeini, the father of Iran’s Islamic revolution, stares at you from one side of the 50,000 rial banknote. On the othe(...)

Children watch a   show of force rally by the Shia Madhi Army paramilitary force   in Baghdad yesterday. Photograph: Tyler Hicks/The New York Times

Iran’s top leader rejected possible intervention in Iraq by the United States or any other outside power, accusing Washington of trying to manipulate (...)

It’s an ill wind that blows no good, and, indeed, the dramatic surrender of Iraq’s second city Mosul and others to murderous Sunni insurgents of the I(...)

A young boy carries a handgun as a militia formed to defend the capital parades through the Sadr City neighbourhood of Baghdad yesterday. Photograph: Ayman Oghanna/The New York Times

Iraq has asked the US to stage air attacks on Sunni insurgents as the Islamist fighters edged closer to full control of Iraq’s largest oil refinery(...)

Iranian foreign minister Mohammad Javad Zarif: “We will not abandon . . . our technological advances.” Photograph: Reuters/Heinz-Peter Bader

The fifth round of negotiations between Iran and the “P5 + 1” – the members of the Security Council plus Germany – began in Vienna on Tuesday. The (...)