https://www.gazeta.ru/comments/2017/07/20_e_10795760.shtml
http://www.rbc.ru/newspaper/2017/07/20/596b53f79a79479ae8c6b25a
http://www.rbc.ru/newspaper/2017/07/20/596f73be9a7947304613495b
https://www.ft.com/content/3edd7c08-6bc9-11e7-bfeb-33fe0c5b7eaa?mhq5j=e1
The announcement appears to have caught both Kiev and Moscow off guard.
https://ru.krymr.com/a/28627063.html