Brazil has rejected aid from G7 countries to fight wildfires in the Amazon, with a top official telling French President Emmanuel Macron to take care of "his home and his colonies".
Nearly 80,000 forest fires have broken out in Brazil since the beginning of the year, with just over half of them in the massive Amazon basin that regulates part of Earth's carbon cycle and climate.
G7 countries made the €20m aid offer to fight the blazes at the Biarritz summit hosted by Mr Macron, who insisted they should be discussed as a top priority.
"We appreciate (the offer), but maybe those resources are more relevant to reforest Europe," Onyx Lorenzoni, chief of staff to President Jair Bolsonaro, told the G1 news website.
"Macron cannot even avoid a foreseeable fire in a church that is a world heritage site," he added, referring to the fire in April that devastated the Notre-Dame cathedral. "What does he intend to teach our country?"
The presidency later confirmed the comments to the AFP news agency.
Brazilian Environment Minister Ricardo Salles had earlier told reporters they had welcomed the G7 funding to fight the fires that have swept across 950,000 hectares and prompted the deployment of the army.
But after a meeting between Mr Bolsonaro and his ministers, the Brazilian government changed course.
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"Brazil is a democratic, free nation that never had colonialist and imperialist practices, as perhaps is the objective of the Frenchman Macron," Mr Lorenzoni said.
Although about 60% of the Amazon is in Brazil, the vast forest also spreads over parts of eight other countries or territories, including the French overseas territory of Guiana on the continent's northeast coast.
Hundreds of new fires have flared up in the Brazilian part of the forest, data have showed, even as military aircraft dumped water over hard-hit areas.
Smoke choked Porto Velho city and forced the closure of the airport for nearly two hours as fires raged in the northwestern state of Rondonia where firefighting efforts are concentrated.
President Bolsonaro - a climate-change sceptic - has faced criticism over his delayed response to the fires at home and thousands have taken to the streets in Brazil in recent days to denounce the destruction.
The blazes have also fuelled a diplomatic spat between Mr Bolsonaro and Mr Macron, who have locked horns repeatedly over the past week.
The French President has threatened to block a huge new trade deal between the European Union and Latin America unless his Brazilian counterpart takes serious steps to protect the fast-shrinking forest from logging and mining.
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President Bolsonaro reacted by blasting Mr Macron for having a "colonialist mentality" and days later endorsed vicious personal comments about the French President's wife posted online, driving their relationship to a new low.
President Bolsonaro has since said that he was open to discussing G7 aid for fighting fires in the Amazon rainforest if Mr Macron "withdraws insults" made against him.
In another sign of tension, Mr Bolsonaro skipped a meeting last month with visiting French Foreign Minister Jean-Yves Le Drian, saying that he had instead gone to the hairdresser.
