Saudi men examine debris following a blast inside a Shia mosque in the Saudi Gulf coastal town of Qatif on Friday. Photograph: AFP Photo

A suicide bomber killed 21 worshippers during Friday prayers in a packed Shia mosque in eastern Saudi Arabia, residents and the health minister said, (...)

A frame grab from an undated video reportedly shows Al-Qaeda leader Osama bin Laden watching TV at his compound in Pakistan. Newly-released documents show bin Laden owned books by Noam Chomsky and Bob Woodward, among others. Photograph: US Department of Defence/AFP/Getty Images

The US government has released a list of English-language texts seized from Osama bin Laden’s compound in Pakistan in 2011 showing the al-Qaeda leader(...)

Abu Bakr al-Baghdadi, above, harshly criticises the Saudi royal family in the message. Photograph: Al-Furqan Media/AFP

The Islamic State group has released an audio message purportedly from its leader, Abu Bakr al-Baghdadi, who has not been seen or heard from in months(...)

Pakistani security personnel make way for ambulances carrying the bodies of Shia Muslims following Wednesday’s attack. Photograph:  Rizwan Tabassum/AFP/Getty Images

Gunmen on motorcycles boarded a bus and opened fire on commuters in Pakistan’s volatile southern city of Karachi on Wednesday, killing at least 43, po(...)

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King Salman of Saudi Arabia has withdrawn from a carefully orchestrated summit with the US that president Barack Obama hoped would assuage Gulf anxiet(...)

Armed Yemeni children sit in the back of a lorry with fighters loyal to Yemen’s Saudi-backed President Abedrabbo Mansour Hadi in the southern Yemeni city of Aden. Photograph: Saleh Al-Obeidi/AFP/Getty Images

Yemeni Houthi rebels and their allies yesterday agreed to a five-day humanitarian ceasefire beginning tomorrow as Saudi military aircraft intensifi(...)

Tribesmen gather to show support to fighters of the anti-Houthi Popular Resistance Committee near Yemen’s southwestern city of Taiz. Photograph: Reuters

Iranian-allied Houthi fighters in Yemen have accepted a five-day humanitarian ceasefire proposed by their adversary Saudi Arabia but said they would (...)

A Yemeni boy flashes the sign for victory during a demonstration for the Shiite Huthi movement supporters against the Saudi-led air strikes, in the capital Sanaa. Photograph:  Mohammed Huwais/AFP/Getty Images

A Saudi-led coalition struck northern provinces of Yemen on Saturday in a third consecutive night of heavy air strikes, the Houthi rebels said, follow(...)

A man walks to a house that was damaged during an airstrike carried out by the Saudi-led coalition in Faj Attan village, Sanaa, Yemen on Thursday. Photograph: Mohamed al-Sayaghi/Reuters

Saudi-led forces said on Thursday they would respond harshly against Yemen’s Houthi rebels following attacks on citizens in border areas, hours after (...)