A firefighter (L) looks for victims in the area where three building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing after three buildings, one of them 20 stories high, collapsed in downtown Rio de Janeiro, injuring five people, authorities said. The collapse, apparently caused by structural problems, came as Brazil races to prepare to host the 2014 World Cup and 2016 Summer Olympics, which it hopes will highlight its emerging economic and political prowess. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Firefighters look for victims in the area where three building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing after three buildings, one of them 20 stories high, collapsed in downtown Rio de Janeiro, injuring five people, authorities said. The collapse, apparently caused by structural problems, came as Brazil races to prepare to host the 2014 World Cup and 2016 Summer Olympics, which it hopes will highlight its emerging economic and political prowess. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Firefighters look for victims in the area where three building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing after three buildings, one of them 20 stories high, collapsed in downtown Rio de Janeiro, injuring five people, authorities said. The collapse, apparently caused by structural problems, came as Brazil races to prepare to host the 2014 World Cup and 2016 Summer Olympics, which it hopes will highlight its emerging economic and political prowess. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
A firefighter looks for victims next to backhoe loaders working in the area where three buildings collapsed in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing early Thursday after three buildings, one of them 20 stories high, collapsed on the eve in downtown Rio de Janeiro, injuring five people, authorities said. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Firefighters look for victims in the area where three building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing after three buildings, one of them 20 stories high, collapsed in downtown Rio de Janeiro, injuring five people, authorities said. The collapse, apparently caused by structural problems, came as Brazil races to prepare to host the 2014 World Cup and 2016 Summer Olympics, which it hopes will highlight its emerging economic and political prowess. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Firefighters look for victims amid the rubble of collapsed buildings in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing early Thursday after three buildings, one of them 20 stories high, collapsed on the eve in downtown Rio de Janeiro, injuring five people, authorities said. AFP PHOTO/Ari VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Firefighter look for victims in the area where three building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. Nineteen people were missing after three buildings, one of them 20 stories high, collapsed in downtown Rio de Janeiro, injuring five people, authorities said. The collapse, apparently caused by structural problems, came as Brazil races to prepare to host the 2014 World Cup and 2016 Summer Olympics, which it hopes will highlight its emerging economic and political prowess. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Firefighters look for victims amid the rubble of a collapsed building in downtown Rio de Janeiro, Brazil, on January 26, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed on the eve after a violent explosion, injuring at least five people and leaving 19 other missing, firefighters said. AFP PHOTO/Ari VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Firefighters look for victims amid the rubble of a collapsed building in downtown Rio de Janeiro, Brazil, on January 26, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed on the eve after a violent explosion, injuring at least five people and leaving 19 other missing, firefighters said. AFP PHOTO/Ari VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Firefighters look for victims amid the rubble of a collapsed building in downtown Rio de Janeiro, Brazil, on January 26, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed on the eve after a violent explosion, injuring at least five people and leaving 19 other missing, firefighters said. AFP PHOTO/Ari VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Firefighters look for victims in the area where a building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed after a violent explosion, injuring at least five people and 19 other missing, firefighters said. AFP PHOTO/ARI VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Backhoe loaders work in the area where a building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed after a violent explosion, injuring at least five people and 19 other missing, firefighters said. AFP PHOTO/Ari VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Backhoe loaders work in the area where a building collapsed on the eve in downtown Rio de Janeiro, Brazil, on January 26, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed after a violent explosion, injuring at least five people and 19 other missing, firefighters said. AFP PHOTO/Vanderlei ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Rescue worker remove a car after a building collapsed in Rio de Janeiro, Brazil, Wednesday Jan. 25, 2012. There is no official word on deaths, but Globo television cites unidentified Brazilian authorities as saying two bodies have been found so far. (AP Photo/Felipe Dana) Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AP FELIPE DANA
Firefighters look for victims amid the rubble of a building that collapsed in downtown Rio de Janeiro, Brazil, on January 25, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed Wednesday after a violent explosion, injuring at least two people, firefighters told AFP. AFP PHOTO/ARI VERSIANI
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP ARI VERSIANI
Top view of firefighters looking for victims amid the rubble of a building that collapsed in downtown Rio de Janeiro, Brazil, on January 25, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed Wednesday after a violent explosion, injuring at least two people, firefighters told AFP. AFP PHOTO/VANDERLEI ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
Firefighters with searchlights look for victims amid the rubble of a building that collapsed in downtown Rio de Janeiro, Brazil, on January 25, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed Wednesday after a violent explosion, injuring at least two people, firefighters told AFP. AFP PHOTO/VANDERLEI ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA
People search for victims amid the rubble of a building that collapsed in downtown Rio de Janeiro, Brazil, on January 25, 2012. A nearly 20-story building in the center of Rio de Janeiro partially collapsed Wednesday after a violent explosion, injuring at least two people, firefighters told AFP. AFP PHOTO/VANDERLEI ALMEIDA
Los edificios colapsaron la noche del miércoles y desde entonces las labores de búsquedas son ininterrumpidas. AFP VANDERLEI ALMEIDA