The guy is from Vladivostok which is 80% Russian and his name is Vladislav Ivanov (though most yakuts, for example, seem to have stereotypical Russian surnames) so there's a good chance he's like Russian Russian...
Edit: Russian news seem to imply he's Russian Russian.
There are a lot of Russian ethnic groups it's like being ethnically Chinese it covers quite a large number of ethnic groups
The guy is from Vladivostok which is 80% Russian and his name is Vladislav Ivanov (though most yakuts, for example, seem to have stereotypical Russian surnames) so there's a good chance he's like Russian Russian...
Edit: Russian news seem to imply he's Russian Russian.