EXCLUSIVE: Video shows blast of Russian S-300 missile that hit Mykolaiv home, killing Ukrainian grain tycoon Oleksiy Vadatursky and his wife in a 'targeted assassination' and injuring British volunteer fighters at sanatorium 'base' next door Ukrainian grain tycoon Oleksiy Vadatursky, 74, and his wife Rayisa were killed on July 31 after a Russian S-300 missile blasted into their bedroom at their riverside mansion in the south Ukraine town of Mykolaiv Members of foreign military volunteer group, the Dark Angels, who were camped out in an old sanatorium next door, were also injured during the attack Footage obtained by DailyMail.com shows...