Brazil waging 'war' on wildfires in crowded Sao Paulo state

Following a crisis meeting of President Luiz Inacio Lula da Silva's cabinet, Environment Minister Marina Silva announced a "war against the fire" and said were investigating the "atypical situation" that has caused extensive damage.

"So far we have not detected any fire caused by lightning, which means there are people starting fires," Lula said in a video that he posted on X after meeting with Silva.

Tarcisio de Freitas, the governor of Sao Paulo, by far the country's most populous state with some 44 million residents, decreed a in 45 municipalities and said two people suspected of starting fires had been arrested.

The president promised federal assistance to the states in fighting the blazes, saying there were already 3,000 firefighters working nationwide.

With dense smoke drifting across a wide swath of Brazil -- even reaching capital city Brasilia 720 kilometers (450 miles) to the north -- several flights have been canceled and travel on some roads has been halted.

"I stuck my nose out last night around 7:00 pm and I had a lot of trouble breathing," 66-year-old retiree Carlos Rodrigues told AFP. "I've lived here 32 years and I've never seen anything like it."

Two factory workers died Friday in Urupes, in the northern part of the state, while fighting a fire, officials said.

With dense smoke drifting across a wide swath of Brazil, several flights have been canceled and travel on some roads has been halted.

Videos posted on social media showed the city plunged into near-darkness by a dense layer of smoke.

The dense smoke drifted across Brazil, reaching as far as capital city Brasilia about 720 kilometers away.