TEHRAN (Tasnim) - Irans Foreign Ministry on Saturday summoned Saudi Arabias charg daffaires to voice protest at the Riyadh regimes execution of prominent Shia cleric Sheikh Nimr al-Nimr. Iranian Deputy Foreign Minister for Arab and African Affairs Hossein Amir Abdollahian conveyed Irans protest at the execution of the senior cleric to Ahmed al-Muwallid,...