Land smolders during a forest fire in Altamira in Brazil's Amazon, Monday, Aug. 26, 2019. The fire is very close to Kayapo indigenous land located on the Bau indigenous reserve. (AP Photo/Leo Correa)
PORTO VELHO, Brazil: Lingering smoke in the Amazon caused concern Tuesday among Brazilians who say that respiratory problems — particularly among children and the elderly — have increased as fires in the region rage.