http://www.rosbalt.ru/world/2019/04/04/1773672.html
http://expert.ru/2019/04/4/nation/
https://www.gazeta.ru/army/2019/04/04/12284161.shtml
https://newtimes.ru/articles/detail/179077
https://republic.ru/posts/93466
https://www.svoboda.org/a/29861260.html
https://newtimes.ru/articles/detail/179102
https://www.znak.com/2019-04-04/rekordnye_20_rossiyan_vyrazili_zhelanie_uehat_iz_strany_navsegda
Nato will strengthen its presence in the Black Sea region to counter a Russian military build-up as a new arms race develops on Europe’s eastern flank.The 29-nation western alliance will mark its 70th anniversary by announcing measures aimed at supporting Ukraine and Georgia amid concern over Russia
https://www.thetimes.co.uk/article/nato-confronts-russia-with-black-sea-build-up-8xmc7nqhr