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People react outside the Kiss nightclub as a fire burns inside in Santa Maria, Brazil, Sunday, Jan. 27, 2013. A fast-moving fire roared through the crowded, windowless Kiss nightclub in this southern Brazilian city early Sunday, killing more than 230 people. Many of the victims were under 20 years old, including some minors. (AP Photo/Deivid Dutra, Agencia Brasil)

People gather outside the Kiss nightclub as firefighters respond to a fire inside the club in Santa Maria, Brazil, Sunday, Jan. 27, 2013. A fast-moving fire roared through the crowded, windowless Kiss nightclub in this southern Brazilian city early Sunday, killing more than 230 people. Many of the victims were under 20 years old, including some minors. (AP Photo/Deivid Dutra, Agencia Brasil)

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. AGENCIA RBS/AFP/Getty Images

This frame grab taken from Brazil´s Globo News shows volunteers attempting to open an escape way at a night club while a fire raged inside in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2013. At least 232 people died and 131 were injured early Sunday when a fire tore through a nightclub packed with university students in the southern Brazilian city of Santa Maria, police said. AFP PHOTO/Globo News/BRAZIL OUTSTR/AFP/Getty Images

A crowd stands outside the Kiss nightclub during a fire inside the club in Santa Maria city, Rio Grande do Sul state, Brazil, Sunday, Jan. 27, 2013. A blaze raced through the crowded nightclub in southern Brazil early Sunday, filling the air with deadly smoke. Panicked party-goers stampeded toward the exits, police and witnesses said. It appeared to be the world's deadliest nightclub fire in more than a decade.(AP Photo/Roger Shlossmacker)

People help an injured man, victim of a fire in a club in Santa Maria city, Rio Grande do Sul state, Brazil, Sunday, Jan. 27, 2013. According to police more than 200 died in the devastating nightclub fire in southern Brazil. Officials say the fire broke out at the Kiss club in the city of Santa Maria while a band was performing. At least 200 people were also injured. (AP Photo/Agencia RBS)

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. Germano Roratto/AFP/Getty Images

A victim is carried 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. LAURO ALVES/AFP/Getty Images

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. Germano Roratto/AFP/Getty Images

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. Germano Roratto/AFP/Getty Images

Police agents give water to a woman 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. LAURO ALVES/AFP/Getty Images

A woman, who was wounded during a fire at Boate Kiss nightclub, is transferred from a hospital in Santa Maria to receive treatment at Porto Alegre hospital in the southern city of Santa Maria, 187 miles (301 km) west of the state capital Porto Alegre early January 28, 2013. The nightclub fire killed at least 232 people in Santa Maria early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said. REUTERS/Edison Vara

A firefighter inspects the discotheque after a fire in which 194 people died on December 31, 2004 in Buenos Aires. At least 232 people died on January 27, 2013 when a fire tore through a nightclub packed with university students in the southern Brazilian city of Santa Maria, police said. PABLO CUARTEROLO/AFP/Getty Images

A view inside the Boate Kiss nightclub destroyed by a fire is seen in the southern city of Santa Maria, 187 miles (301 km) west of the state capital Porto Alegre January 27, 2013, in this picture provided by Agencia O Dia. The nightclub fire killed at least 232 people in Santa Maria early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said. REUTERS/Yuri Weber/Agencia O Dia ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. NO SALES. NO ARCHIVES. BRAZIL OUT. NO COMMERCIAL OR EDITORIAL SALES IN BRAZIL

A firefighter inspects inside the Kiss nightclub after a fatal fire in Santa Maria, Brazil, Sunday, Jan. 27, 2013. A fast-moving fire roared through the crowded, windowless Kiss nightclub in this southern Brazilian city early Sunday, killing more than 230 people. Many of the victims were under 20 years old, including some minors. (AP Photo/Yuri Weber, Jornal A Razao, Agencia O Dia)

A policeman checks the Kiss nightclub where a blaze on the eve killed more than 230 people, on January 28, 2013, in Santa Maria, southern Brazil. Brazilian police arrested four suspects --two of the Kiss club's owners, along with a pair of musicians who starred in the ill-fated pyrotechnic show, in the wake of the nightclub fire that forced sports officials to defend preparations for the World Cup and Olympics. ANTONIO SCORZAANTONIO SCORZA/AFP/Getty Images

A policeman checks the Kiss nightclub where a blaze on the eve killed more than 230 people, on January 28, 2012 in Santa Maria, southern Brazil. Brazilian police arrested four suspects --two of the Kiss club's owners, along with a pair of musicians who starred in the ill-fated pyrotechnic show, in the wake of the nightclub fire that forced sports officials to defend preparations for the World Cup and Olympics. JEFFERSON BERNARDES/AFP/Getty Images

Partial view at the entrance to the Kiss nightclub where a blaze on the eve killed more than 230 people, on January 28, 2012 in Santa Maria, southern Brazil. Brazilian police arrested four suspects --two of the Kiss club's owners, along with a pair of musicians who starred in the ill-fated pyrotechnic show, in the wake of the nightclub fire that forced sports officials to defend preparations for the World Cup and Olympics. JEFFERSON BERNARDES/AFP/Getty Images

The damaged entrance of the Boate Kiss nightclub is pictured in the southern city of Santa Maria, 187 miles (301 km) west of the state capital Porto Alegre, January 28, 2013. The Boate Kiss nightclub fire killed at least 233 people in Santa Maria early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said. REUTERS/Ricardo Moraes

The interior of the Kiss nightclub is burned out after a fatal fire in Santa Maria, Brazil, Sunday, Jan. 27, 2013. A fast-moving fire roared through the crowded, windowless Kiss nightclub in this southern Brazilian city early Sunday, killing more than 230 people. Many of the victims were under 20 years old, including some minors. (AP Photo/Roger Shlossmacker)

An exterior view of Boate Kiss nightclub is seen after a fire occurred, in the southern city of Santa Maria, 187 miles (301 km) west of the state capital of Porto Alegre, January 27, 2013. A fire in a nightclub killed at least 245 people in southern Brazil on Sunday when a band's pyrotechnics show set the building ablaze and fleeing patrons were unable to find the emergency exits in the ensuing panic, officials said. The blaze in the southern city of Santa Maria was started when a band member or someone from its production team ignited a flare, which then set fire to the ceiling, said Luiza Sousa, a civil police official. The fire spread "in seconds," she said. An estimated 500 people were in the Boate Kiss nightclub when the fire broke out early on Sunday, and many were unable to find the exits as dark smoke quickly filled the room. At least one exit was locked, trapping hundreds inside to die, many from asphyxiation as they inhaled smoke, police said. REUTERS/Edison Vara

Handout picture released by the Brazilian Presidency of Brazilian President Dilma Rousseff as she delivers a press conference in Santiago on January 27, 2013. Rousseff interrupted her visit to Chile, where she was to attend the CELAC-EU summit, after a deadly nightclub fire claimed more than 150 victims Sunday early morning in southern Brazil. ROBERTO STUCKERT FILHO/AFP/Getty Images

Soldiers of the presidential guard prepare to raise the flag at half-mast at the Planalto Palace in Brasilia to honor the victims of a nightclub blaze in Santa Maria, Southern of Brazil on January 28, 2013. Brazilians on Monday were mourning the victims of a nightclub blaze in a small university town that left more than 230 people dead and over 100 injured, with many still fighting for their lives. PEDRO LADEIRA/AFP/Getty Images

A relative of a victim is comforted in Santa Maria city, Rio Grande do Sul state, Brazil, Sunday, Jan. 27, 2013. A blaze raced through the crowded nightclub in southern Brazil early Sunday, killing more than 200 people as the air filled with deadly smoke and panicked party-goers stampeded toward the exits, police and witnesses said. It appeared to be the world's deadliest nightclub fire in more than a decade.(AP Photo/Evandro Sturm)

Brazilian President Dilma Rousseff (R) comforts relatives of victims in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012, after a fire in a nightclub. The death toll from a fire that tore through a Brazilian nightclub packed with students has risen to 245, an official said Sunday as investigators dug through the charred remains of the building. ROBERTO STUCKERT FILHO/AFP/Getty Images

Relatives are helped by a healthcare worker after identifying the body of a victim of the fire at Boate Kiss nightclub in the southern city of Santa Maria, 187 miles (301 km) west of the state capital of Porto Alegre, January 27, 2013. A fire in a nightclub killed at least 245 people in southern Brazil on Sunday when a band's pyrotechnics show set the building ablaze and fleeing patrons were unable to find the emergency exits in the ensuing panic, officials said. The blaze in the southern city of Santa Maria was started when a band member or someone from its production team ignited a flare, which then set fire to the ceiling, said Luiza Sousa, a civil police official. The fire spread "in seconds," she said. An estimated 500 people were in the Boate Kiss nightclub when the fire broke out early on Sunday, and many were unable to find the exits as dark smoke quickly filled the room. At least one exit was locked, trapping hundreds inside to die, many from asphyxiation as they inhaled smoke, police said. REUTERS/Edison Vara

Rescue workers investigate Kiss nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2013. At least 232 people died and 131 were injured early Sunday when a fire tore through a nightclub packed with university students in the southern Brazilian city of Santa Maria, police said. TARSILA PEREIRA/AFP/Getty Images

Police investigators inspect the entrance of the Kiss nightclub in Santa Maria city, Rio Grande do Sul state, Brazil, Sunday, Jan. 27, 2013. Flames raced through the crowded nightclub in southern Brazil early Sunday, killing more than 230 people as panicked partygoers gasped for breath in the smoke-filled air, stampeding toward a single exit partially blocked by those already dead. (AP Photo/Nabor Goulart)

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. LAURO ALVES/AFP/Getty Images

Relatives of victims react as they wait for news near the Kiss nightclub in Santa Maria city, Rio Grande do Sul state, Brazil, Sunday, Jan. 27, 2013. According to police more than 200 died in the devastating nightclub fire in southern Brazil. Officials say the fire broke out at the club while a band was performing. (AP Photo/Ronald Mendes-Agencia RBS)

Relatives of victims embrace next to an ambulance after a fire at a nightclub in Santa Maria, 550 Km from Porto Alegre, southern Brazil on January 27, 2012. The death toll from a fire that tore through a Brazilian nightclub packed with students has risen to 245, an official said Sunday as investigators dug through the charred remains of the building. Felix Zucco/AFP/Getty Images

Relatives of victims of the fire at Boate Kiss nightclub attend a collective wake in the southern city of Santa Maria, 187 miles (301 km) west of the state capital Porto Alegre, January 27, 2013. The nightclub fire killed at least 232 people in Santa Maria early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said. REUTERS/Ricardo Moraes

Relatives of victims of the fire at Boate Kiss nightclub attend a collective wake in the southern city of Santa Maria, 187 miles (301 km) west of the state capital Porto Alegre, January 27, 2013. The nightclub fire killed at least 232 people in Santa Maria early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said. REUTERS/Ricardo Moraes

Relatives of victims of the fire at Boate Kiss nightclub attend a collective wake in the southern city of Santa Maria, 187 miles (301 km) west of the state capital Porto Alegre January 27, 2013. The nightclub fire killed at least 232 people in Santa Maria early on Sunday when a band's pyrotechnics show set the building ablaze and fleeing partygoers stampeded toward blocked and overcrowded exits in the ensuing panic, officials said. REUTERS/Ricardo Moraes

A woman cries over the coffin of a victim at a gymnasium where bodies were brought for identification in Santa Maria city, Rio Grande do Sul state, Brazil, Sunday, Jan. 27, 2013. Flames raced through a crowded nightclub in southern Brazil early Sunday, killing more than 230 people as panicked partygoers gasped for breath in the smoke-filled air, stampeding toward a single exit partially blocked by those already dead. (AP Photo/Nabor Goulart)