Biography: Emir Omar Chabán was an Argentine businessman, actor and rock broadcaster in that country, whose name became known internationally after the tragedy of the República Cromañón nightclub, in Buenos Aires, caused by a fire that began on the night of December 30, 2004, during a recital of the rock band Callejeros. This fire caused one of the greatest unnatural tragedies in Argentina, killing 194 people and injuring at least 1,432. Chabán was the manager and face of the venue, where rock concerts were regularly held.