They did this in an episode of Vikings..if you could stomach it. Makes the Red Wedding from Game of Thrones look like a Disney episode.
They’ve depicted it twice in the series Vikings. The first time was the most explicit when Ragnar executed Jarl Borg. The second time was when Ivar the Boneless killed King Aella in revenge for killing his father.
They did it twice. Once in Lattica and the second in Mercia.
How I remember this crap is beyond me.