The Guardian | Simon Tisdall: Assaults on potent symbols of Iranian ideology, claimed by Isis, will stoke tensions with Saudi Arabia, Persian Gulf states and Trump

In targeting the Iranian parliament and the tomb of the Islamic Republic�s founder, Ayatollah Ruhollah Khomeini, the terrorists who went on a lethal rampage in Tehran on Wednesday chose the two most potent symbols of the 1979 revolution.

For ordinary Tehranis, comparatively safe in recent years from such outrages, the attacks are deeply shocking.

The apparently coordinated assaults have been blamed by Iran�s Islamic Revolutionary Guard Corps (IRGC) on Saudi Arabia and, whatever the truth of the allegation, they are likely to have a big political impact far beyond Iran, stoking tensions with the US, Saudi Arabia and the Sunni Muslim monarchies of the Persian Gulf.

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