Safety during hajj is politically sensitive for the Saudi Arabia's ruling Al Saud dynasty, since the ruling family presents itself internationally as the guardian of orthodox Islam.
Shia militias enlisted to fight against the Islamic State are kidnapping and murdering hundreds of mostly-Sunni victims with impunity, according to a new Amnesty International report.
The US moved to arm the peshmerga fighting the Islamic State, while in Baghdad, Prime Minister Nouri al-Maliki appeared to be out of a job.
Police and medics described it as the city's deadliest day of aggression since Sunni Muslim insurgents launched an offensive in June.
Dozens died in Iraq today as the country threatens a return to the brutal sectarian violence which once threatened to destroy it.
Foreign Minister Hoshyar Zebari said today that Iraq is facing a "mortal threat," and urged immediate action to combat the militant group.