BRAZIL-ACCIDENT-FIRE

Firefighters try to put out a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Firefighters try to put out a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

The victims of a nightclub fire receive medical assistance in a street of Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

The victims of a nightclub fire receive medical assistance in a street of Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Firefighters try to put out a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Firefighters try to put out a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. Brazilian President Dilma Rousseff interrupted her visit to Chile. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

People run away as firefighters try to put out a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll climbed to 150 early Sunday as firefighters searched the charred remains of the establishment, television Globo reported. Brazilian President Dilma Rousseff interrupted her visit to Chile. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Firefighters work at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. More than 150 people died early Sunday when a fire tore through a nightclub in the southern Brazilian city of Santa Maria during a boisterous student party, police said. Brazilian President Dilma Rousseff interrupted her visit to Chile. (Credit: Germano Roratto/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Relatives of victims cry after a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. More than 150 people died early Sunday when a fire tore through a nightclub in the southern Brazilian city of Santa Maria during a boisterous student party, police said. Brazilian President Dilma Rousseff interrupted her visit to Chile. (Credit: LAURO ALVES/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Relatives of victims cry after a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. More than 150 people died early Sunday when a fire tore through a nightclub in the southern Brazilian city of Santa Maria during a boisterous student party, police said. Brazilian President Dilma Rousseff interrupted her visit to Chile. (Credit: LAURO ALVES/AFP/Getty Images)

BRAZIL-ACCIDENT-FIRE

Relatives of victims embrace as they wait for information after a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. More than 150 people died early Sunday when a fire tore through a nightclub in the southern Brazilian city of Santa Maria during a boisterous student party, police said. Brazilian President Dilma Rousseff interrupted her visit to Chile. (Credit: LAURO ALVES/AFP/Getty Images)