Kuwait has recalled its ambassador from Iran as the regional row over the execution of a Shia cleric in Saudi Arabia deepens. Saudi Arabia’s embassy in Tehran was stormed and set alight by angry protesters on Saturday, following the execution of Shia Muslim cleric Sheikh Nimr al-Nimr and 46 others. Saudi Arabia broke off diplomatic ties with Iran in response, followed by its allies Bahrain and Sudan. The BBC reports: Sunni Muslim Saudi Arabia and Shia Iran are major rivals for power in the Middle East and back opposing sides in the conflicts in Syria and Yemen. Saudi insists peace efforts should not be affected by the dispute but has criticised Iran’s contribution to the process. Iran has reiterated its condemnation of Saudi Arabia, with President Hassan Rouhani saying it cannot “hide its crime of beheading a religious leader by severing political relations with Iran”. The Kuwaiti government said it was recalling its ambassador from the Iranian capital, describing the attacks as a “flagrant breach of international norms”. It did not expel Tehran’s ambassador or downgrade diplomatic ties. Saudi Arabia’s unexpected decision to carry out the executions – following convictions over terror offences – prompted an expression of “deep dismay” [...]