TEHRAN (Press Shia Agency) – Sultan Qaboos bin Said Al Said of Oman, the Arab world’s longest-serving ruler who is known for brokering peaceful talks between global foes died at 79.

– World news –

Sultan Qaboos ruled his Persian Gulf kingdom from an isolated enclave into a developed nation.

His death was announced by the official Oman News Agency. The announcement did not mention the cause, but Qaboos had been receiving treatment in Europe for cancer since at least 2014.