At least 42 inmates have been found dead at four prisons in the capital of Brazil's northern Amazonas state on Monday.
Authorities said the victims appeared to have been killed by "asphyxiation" and were discovered during routine inspections at the prison facilities.
Additional reinforcements have been dispatched to boost security, they added, without providing more details.
This comes a day after 15 prisoners were killed in gang clashes in the same city.
At least 24 dead in Texas flash flooding
Torrential rains unleashed flash floods along the Guadalupe River in Texas on Friday, killing at least 24 people as rescue teams scrambled to save dozens of victims trapped by high water or reported missing in the disaster, local officials said.
Aid foundation says two of its workers injured in Gaza
The Gaza Humanitarian Foundation said on Saturday that two American aid workers had suffered non-life-threatening injuries in a targeted attack at a food distribution site in Gaza.
Hamas says it responds to Gaza ceasefire proposal in 'positive spirit'
Hamas said it had responded on Friday in "a positive spirit" to a US-brokered Gaza ceasefire proposal and was prepared to enter into talks on implementing the deal, which envisages a release of hostages and negotiations on ending the conflict.
Russia pounds Kyiv with largest drone attack, hours after Trump-Putin call
Russia pummelled Kyiv with the largest drone attack of the war, injuring at least 23 people and damaging buildings across the capital only hours after US President Donald Trump spoke with Russia's Vladimir Putin.
Trump says he expects Hamas decision in 24 hours on 'final' peace proposal
US President Donald Trump said on Friday it would probably be known in 24 hours whether Hamas has agreed to accept what he has called a "final proposal" for a ceasefire in Gaza.
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UAE President Sheikh Mohamed Bin Zayed Al Nahyan’s visit to the US to boost economic and technology ties including AI.
Apple Inc. shares fell Monday after a closely followed analyst warned that demand for the firm’s new iPhone 16 Pro model has been lower than expected. Is this a sign that the AI software just isn’t ready?
Does working from home kill productivity or can it benefit staff by giving them more flexibility and a better work/life balance?
Dubai’s current population is more than double compared to almost twenty years ago, which now stands at 3.7 million. Lots of families are also moving to the UAE now. So what does it mean for the property market?
Glory Ehirim Nkiruka is Noon’s first ever female delivery driver. In her first ever interview, she explained why she loves her job, despite the heat!
