Summary
Iran has sacked a senior security official over his failure to stop the ransacking of Saudi Arabia's embassy, which led the Sunni-ruled kingdom to sever diplomatic relations.
Other Arab countries followed suit and severed or reduced relations with Iran, a predominantly Shiite state.
Iranian President Hassan Rouhani strongly condemned the attacks as "totally unjustifiable", urging judiciary chief Ayatollah Sadegh Larijani to deal with wrongdoers immediately.
Officials have not said if that was linked to the embassy attack.
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