Sergey Mukhin, a Russian bobsleigh coach, has sparked controversy by endorsing a social media post in support of Russia's invasion of Ukraine. The post, shared by a fellow coach, contained the letter "Z," which has become a symbol associated with the Russian aggression in Ukraine.

Mukhin's action of liking and endorsing the post has drawn significant attention and condemnation from various quarters. Critics argue that as a coach and a prominent figure in the sports community, Mukhin's support for the Russian invasion raises questions about the role of sports professionals in promoting divisive political actions.

The incident has reignited discussions about the intersection of sports and politics in Russia and the responsibility that individuals in influential positions hold. It also serves as a reminder of the power of social media in shaping public opinion and the potential consequences of aligning oneself with controversial political agendas.