See the clip in the player above.
Here, the referee is totally knocked out in the World Cup match
2022-05-18T18:55:29.805Z
In the match between Switzerland and Slovakia in the Ice Hockey World Cup, there were nasty scenes when the Finnish lineman Hannu Sormunen was knocked out by a Slovak player. Sormunen lay on the ice for a while before he could finally get off the ice for his own machine but he could not continue the match.
Source: svt