About 2,000 Russian natives are currently part of Islamic State forces.

"Our representatives, including Security Council Secretary Nikolai Patrushev, and one of my deputies Oleg Syromolotov gave in their latest interviews the number of around 2,000 people but, according to our assessments, this includes several hundred former and current Russian citizens, who left for permanent residence in Europe," Russian Foreign Minister Sergei Lavrov said at a briefing in Ufa.