Amazonas state in northern Brazil on Thursday announced a 10-day curfew to try to slow the spread of the coronavirus, as cases soar and hospitals run out of beds and oxygen.

Brazilian police on Tuesday arrested the supervisor of a Carrefour supermarket in Porto Alegre where security guards beat a black man to death, and accused her of collaborating with the killers.

Brazilian police used tear gas and rubber bullets Monday to disperse protesters marching against the death of a black man beaten to death by white guards at a Carrefour supermarket.

The death of a black man beaten by white security guards at a supermarket sparked protests across Brazil Friday as the country celebrated Black Consciousness Day.

Armed militia groups control more than half the territory of Rio de Janeiro, installing a reign of terror in poor neighborhoods that are home to nearly 2.2 million people, according to a study published Monday.

Brazil surpassed four million coronavirus cases on Thursday, as an international panel looking into the global response to the pandemic vowed to uncover how it was able to spread worldwide.

President Jair Bolsonaro threatened Friday to withdraw Brazil from the World Health Organization, following in the footsteps of his US counterpart, Donald Trump, accusing it of "ideological bias."

Brazil registered a new record in COVID-19 cases and more than 1,000 dead in a 24 hour period, according to official figures out Thursday.

More young people are dying of COVID-19 in Brazil than other countries, a trend driven partly by demographics -- the overall population is younger -- but also by poverty and the need to work.

Brazil, the country in Latin America that has been hardest hit by the coronavirus crisis, said Friday it had reached a new daily record for COVID-19 fatalities with 751 deaths.

The announcement by the health ministry puts Brazil's total death count at nearly 10,000.