https://www.radiosvoboda.org/a/donbas-realii-boyovyky-polyuyut-na-pastoriv/29619936.html
https://www.kommersant.ru/doc/3811633
https://www.kommersant.ru/doc/3804857
Ukraine said Russia opened fire Sunday on its ships in the Black Sea. The United Nations Security Council is convening an emergency meeting about it.
https://www.nytimes.com/2018/11/25/world/europe/ukraine-russia-kerch-strait.html
https://www.gazeta.ru/army/2018/11/25/12071431.shtml
https://tyzhden.ua/Society/223166
https://www.radiosvoboda.org/a/donbass--realii/29617362.html
https://www.radiosvoboda.org/a/29617405.html