Virus sterilization fire out of control?
No, it's just that their on-board crematorium was overloaded due to the large number of Corona cases among the crew.
Regards,
Something like that.
https://www.usnews.com/news/world-report/articles/2019-12-12/russias-aircraft-carrier-admiral-kuznetsov-catches-fire-at-least-6-injured