Investigation launched into night club fire in Buenos Aires

Mar¨ªa Ang¨¦lica Crotto (C) who is in charge of the investigation of the club fire prepares to work in Buenos Aires, Argentina, Dec. 31, 2004. The owner of the club Omar Chab¨¢n was arrested Friday facing a possible 20 years' imprison. At least 175 died and 889 were injured in a fire that broke out during a rock concert in a night club in Buenos Aires Thursday night

National flags flying at half-mast are seen at the Plaza de Mayo and Casa Rosada in Buenos Aires, Argentina, Dec. 31, 2004. The Argentine Government decreed three days of mourning Friday for the 175 died in a fire that broke out during a rock concert in a night club in Buenos Aires Thursday night.

Relatives and friend of victims of a nightclub fire comfort each other at a cemetery in Buenos Aires, Argentina, Dec. 31, 2004. The Argentine Government decreed three days of mourning Friday for the 175 died in a fire that broke out during a rock concert in a night club in Buenos Aires Thursday night.