Saudi Arabia says 30 million pilgrims could visit the country annually by 2030
With Saudi Arabia's government announcing reforms aimed at moving the kingdom away from its dependence on oil, another source of income looks set to become a major contributor to the economy - religious tourism.
Amnesty's report documented what it described as a "chilling campaign to quash dissent"
Yemen conflict No end in sight to war in Yemen Practising medicine under fire in Yemen A young girl and a city struggling for life Yemen's humanitarian catastrophe
US military advisers have been helping Peshmerga forces behind the front lines
Islamic State Recapture of Palmyra tightens noose on IS Islamic State group: The full story Who is Islamic State leader Abu Bakr al-Baghdadi? Islamic State: What is the attraction for young Europeans?
The US says it is deeply concerned about the deteriorating situation in Aleppo
Syria's war What's left of Syria after five years of war? Syria peace talks and polls signal Assad's growing confidence Why is there a war in Syria? What's a 'cessation of hostilities'?
The US says it is working on plans to reduce the bloodshed in Syria and revive a nationwide ceasefire.
Mr Obama is expected to make announcement during his official visit to Hanover
Syria's war What's left of Syria after five years of war? Syria peace talks and polls signal Assad's growing confidence Why is there a war in Syria? What's a 'cessation of hostilities'?
US President Barack Obama is to send 250 additional military personnel to Syria to support local militias in the fight against so-called Islamic State (IS), officials have said.
On TV, Mr Sisi again warned of "evil" forces conspiring against Egypt
Egypt under Sisi
Egypt's revolutionaries - where are they now? Enduring repression and insurgency in Egypt's Sinai Why US-Egyptian ties are warming What's become of Egypt's Morsi?
Egypt's President Abdul Fattah al-Sisi has urged citizens to defend the state and its institutions ahead of planned anti-government protests.