After the visit of Mohsen Rezaei, the secretary of Iran's Supreme National Security Council, to Moscow, the British newspaper The Telegraph reported that Iran was negotiating with Russia to purchase a modern S-400 anti-aircraft missile system.

After the visit of Mohsen Rezaei, the secretary of Iran's Supreme National Security Council, to Moscow, the British newspaper The Telegraph reported that Iran was negotiating with Russia to purchase a modern S-400 anti-aircraft missile system.