The issue focused on Saudi Arabia's Gulf Sunni ally Qatar in 2011 when its embassy was bombed by Islamist extremists and militants from Yemen. The Saudis responded by cracking down on websites promoting extremism. A Pakistani teenager killed last month by insurgents near Riyadh claimed responsibility for an attack that injured nearly 500 people. Iran reacted angrily to the killings. Iranian Foreign Minister Mohammad Javad Zarif urged Tehran to investigate whether Islamic State fighters had targeted embassies or diplomatic compounds. As foreign ministers addressed Syria, Libya and Lebanon this week, Assad condemned attacks