FILE - In this Jan. 28, 2013, file photo, police officers enter 

FILE - In this Jan. 28, 2013, file photo, police officers enter the Kiss nightclub after a fatal fire in Santa Maria city, Rio Grande do Sul state, Brazil. Just over a week since the nightclub fire killed nearly 240 revelers in southern Brazil, Carnival festivities hit full stride Friday, Feb. 8, raising questions about the safety of those who will pack party spaces across the nation. (AP Photo/Felipe Dana, file)
Associated Press
FILE - In this Jan. 28, 2013, file photo, police officers enter the Kiss nightclub after a fatal fire in Santa Maria city, Rio Grande do Sul state, Brazil. Just over a week since the nightclub fire killed nearly 240 revelers in southern Brazil, Carnival festivities hit full stride Friday, Feb. 8, raising questions about the safety of those who will pack party spaces across the nation. (AP Photo/Felipe Dana, file)
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