Amid ongoing tensions with the US, Moscow and Tehran are embarking on naval cooperation in the Caspian Sea, where huge oil and gas resources reside.
Experts say Iranian army chief General Mohammad Baqeri's statement from the island is "an open challenge" to the UAE, especially when the Gulf state has started cosying up to Syrian regime leader Bashar al Assad.
Bulgaria is expected to focus on the future of Europe and young people, Western Balkans, security and stability, and digital economy.
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