Brazilian presidential candidate Jair Bolsonaro is stabbed at a campaign rally and suffers serious abdominal injuries. He is expected to be in intensive care for at least seven days.
- After an emergency summit, eleven nations of Latin America (including Colombia, Brazil, Ecuador, and Peru) announce that they will all admit Venezuelan migrants without the required travel documents.
- Brazil closes its international border with Venezuela, following a similar move enacted but then rescinded by Colombia earlier in 2018, as a response to an increase in Venezuelans fleeing their country to neighbouring states.
- A meeting is held in Lima attended by representatives from Colombia, Peru, Ecuador, and Brazil, to develop requests for aid in regards to Venezuelan immigrants, which will be sent to organisations including the United Nations and International Red Cross. Yesterday, there was a similar meeting in Bogota. A larger meeting has been set-up to be held in Quito in early September, to be attended by representatives from 14 countries and 10 international organisations.
- International mining firm BHP Billiton signs an agreement with Brazilian authorities over criminal culpability and civil compensation liability over a mine site collapse that killed nineteen. The deal halts litigation for up to two years but does not confirm a final amount for a settlement.
- Seven bodies are recovered from the base of Sugarloaf Mountain in Rio de Janeiro, Brazil.