King Salman of Saudi Arabia. His decision   not to attend President Barack Obama’s summit of US and Arab leaders is seen as  a signal of displeasure over US actions on Iran. Photograph: Reuters

The decision of King Salman of Saudi Arabia and other Gulf leaders not to attend President Barack Obama’s summit of US and Arab leaders outside Washin(...)

US secretary of state John Kerry meets with Saudi Arabia’s King Salman in Riyadh last week. Photograph: Andrew Harnik/AFP/Getty Images

King Salman of Saudi Arabia has withdrawn from a carefully orchestrated summit with the US that president Barack Obama hoped would assuage Gulf anxiet(...)

Crude inventories thought to have increased by 3.3 million barrels last week, before an Energy Information Administration report on Wednesday. Picture: Reuters.

Oil fell for the third time in four days before US government data forecast to show crude stockpiles expanded further from a record. Futures dropped a(...)

Saudi King Abdullah bin Abdulaziz al-Saud speaks before a meeting with the US Secretary of State at his private residence in June last year. Photograph: Brendan Smialowski/AFP/Getty Images 1:36

Saudi Arabia’s King Abdullah has died and his brother Salman became king, the royal court in the world’s top oil exporter has announced. King Salman (...)

A file photo dated 14 August 2012 shows Saudi Arabia’s King Abdullah bin Abdul Aziz. Saudi royal court said in a statement on December 31st 2014 that Saudi King Abdullah bin Abdul Aziz has been admitted to a hospital in the capital, Riyadh, for medical tests, without giving further details about the tests. King Abdullah, 90, underwent an operation to tighten a loose ligament in his back in 2012. It was his third back surgery since he became the ruler of the world’s top oil exporter in 2005. (Photograph:  EPA)

Saudi Arabia’s elderly King Abdullah bin Abdulaziz was admitted to a hospital in Riyadh on Wednesday for medical tests, state media reported on Wedne(...)

Air Corps aircraft perform a fly-past during the National Day of Commemoration ceremony at Royal Hospital Kilmainham. Photograph: Dara Mac Dónaill

There was a special emphasis on Irish people who died in the first World War during the National Day of Commemoration ceremony at the Royal Hospital (...)

Taoiseach Enda Kenny is to arrive in Saudi Arabia today to lead an Enterprise Ireland trade mission  in Riyadh, Qatar, Abu Dhabi and Dubai (pictured). Photograph:  Marwan Naamani/AFP/Getty Images.

Taoiseach Enda Kenny is to arrive in Saudi Arabia tonight ahead of a trade mission and a series of diplomatic engagements in the Gulf region.Mr Kenny (...)

A file image of members the  United Nations Security Council  voting.  Saudi Arabia said today it would not take up its seat on the body. Reuters

Saudi Arabia, in an unprecedented show of anger at the failure of the international community to end the war in Syria and act on other Middle East iss(...)

Kuwait has banned the television show of a prominent Sunni Muslim cleric, accused of instigating hatred with speeches and comments on social media calling for arming rebels fighting the army of Syrian president Bashar al-Assad (pictured). Photograph: SANA/Handout via Reuters.

Kuwait has banned the television show of a prominent Sunni Muslim cleric, accused of instigating hatred with speeches and comments on social media ca(...)

Lebanese soldiers and Hizbullah supporters are seen gathered in front of the Iranian embassy in Beirut . Photograph: Reuters

A Lebanese protester was killed outside the Iranian embassy in Beirut today after gunmen from the Iranian-backed Shia militia Hizbullah opened fire wh(...)