TODAY | January 29, 2013
>>> new details this morning are showing how a nightclub in santa maria , brazil, became a death trap . keir simmons is there. good morning.
>> reporter: good morning. you can see where rescuers smashed the walls of the nightclub to save lives. but they're now asking, why was this the only exit. vigils held overnight for the more than 230 dead.
>> i don't wish for anybody the same.
>> reporter: survivors say the band set off pyrotechnics, igniting a fire in the ceiling. audrey lost two friends, one she was with in the club that night.
>> he goes to the bathroom and 30 seconds later, the smoke, the fire starts. and i don't see him again.
>> reporter: she fell to the floor, trampled, but escaped.
>> i am very happy i'm here.
>> reporter: outside the nightclub, panic. desperate rescues and now questions.
>> reporter: are you angry?
>> a little bit. i don't know how i feel about thi this, about everything.
>> reporter: today, she will talk to the police. four people have been arrested, reportedly including the club's owners. the country's president declaring it must never happen again. and overnight the number of flowers here has doubled. there are pictures of the victims. natalie, the grief that has overwhelmed this community is now turning to anger.
>> keir simmons in santa maria , brazil. thanks, keir.