Police in Brazi carried out a massive anti-murder operation across every state, arresting 968 suspects in just one day.
Officers shared real-time updates of the so-called Operation Cronos on social media, including photos and videos.
Of the detained, 56 people have been accused of gender-based killings and domestic violence.
Officials said they hoped "to prevent future crimes" by "imprisoning murderers".
During the first phase of the operation in August, police arrested nearly 3,000 people.
Iran studying deal to halt war as stalemate persists
Iran is reviewing a proposed agreement with the United States to halt the war between the two countries, Iran's Mehr news reported on Tuesday, after US President Donald Trump said talks to reach a deal were continuing.
WHO says suspected Ebola cases drop to 116 after hundreds ruled out
The World Health Organisation said there have been 321 confirmed cases of Ebola in the Democratic Republic of Congo outbreak and 116 suspected cases, marking a large drop in the number of suspected cases as hundreds were ruled out after investigation.
Israel strikes south Lebanon after holding off Beirut attack
Israel kept up strikes on southern Lebanon on Tuesday, pressing its campaign against Hezbollah a day after US President Donald Trump asked Israeli Prime Minister Benjamin Netanyahu not to attack Beirut, averting further escalation in the three-month-old war.
At least 22 killed in heavy Russian attack on Ukrainian cities
Russia pounded Ukraine with hundreds of drones and dozens of missiles early on Tuesday in a heavy attack that authorities said killed 22 people and wounded more than 100.
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