I guess it is better not to invite a Brazilian to go medieval on your ass cause...they will.
The referee was attacked and stoned by enraged spectators who quartered his body after he stabbed a player in the heat of an argument. Referee Otavio da Silva expelled player Josenir Abreu from the game, which resulted in a fist fight. It was then that da Sliva took out a knife during this fight and stabbed Abreau, who died from the stab wound on his way to the hospital.
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