The organizers assure that the reasons are sports-related and not politics.

“Eight other teams have refused to participate so far. These are the teams of Ukraine, Spain, Norway, Hungary, Croatia, Puerto Rico, Kosovo, and Guatemala,” said Aleksey Pintaev, director of the Boxing World Championship.

Note that the world boxing championship for women will be held from October 3 to 13 in Ulan-Ude (the Republic of Buryatia, Russia) (https://234fight.com/tag/ukraine/).