https://www.inopressa.ru/article/20Sep2019/foreignpolicy/persian.html
https://jamestown.org/program/the-motor-sich-factory-and-its-covert-ties-to-russia/
https://foreignpolicy.com/2019/09/19/putin-is-trolling-the-united-states-in-the-persian-gulf/
http://www.rosbalt.ru/blogs/2019/09/18/1803115.html
https://www.theguardian.com/world/2019/sep/17/russian-shot-dead-chechen-berlin-silence