The family said they had always believed he was alive and stressed that his disappearance was the result of a crisis, not a choice to abandon them.

What are Russia's goals in the Middle East and do they put Israel in harm's way?

Israel has prevented the Islamic Republic from achieving its goals in Syria, Netanyahu said.

'The West has lost the energy to resist, it lost its political will and decided to appease the plague of the 21st Century – Radical Islam.'