Saudi Arabia’s King Salman plans to discuss Syria, the Qatar blockade and oil production with Russian President Vladimir Putin next month in Russia, according to people familiar with the matter, as energy cooperation deepens political ties between the two former foes.

In the first-ever Russia visit by a Saudi monarch, King Salman is expected to give his support for new cease-fires and “de-escalation zones” in Syria, where Riyadh and Moscow have been on opposing sides, the people said.

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