Tensions between Saudi Arabia and Iran continue to escalate. The current row erupted earlier this month after Saudi Arabia executed the Shia religious leader Nimr al-Nimr and the Saudi embassy in Tehran was burnt.

So is the Middle East cold war between Saudi Arabia and Iran about to turn hot? And who is to blame for the current tension? 

In this week's special Arena, Seyed Hossein Mousavian, the former head of the Foreign Affairs Committee of the Iranian National Security Council and a close ally of President Hassan Rouhani, debates with Jamal Khashoggi, a former adviser to Saudi Prince Turki al-Faisal.

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Source: Al Jazeera