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.
Zohran Mamdani wins NYC mayoral race, capping meteoric rise
Zohran Mamdani, a 34-year-old democratic socialist, won the New York City mayoral race on Tuesday, capping a meteoric rise from a little-known state lawmaker to one of the country's most visible Democratic figures, and the first Muslim mayor of the largest US city.
Death toll rises to 11 in fire at Bosnian retirement home
The death toll in a fire at a retirement home in Tuzla in northern Bosnia rose to 11 on Wednesday and about 30 people were injured, police and prosecutors said.
Driver rams into pedestrians in western France, nine injured
A driver rammed into pedestrians and cyclists on France's Oleron island off its Atlantic coast on Wednesday, Interior Minister Laurent Nunez said, and at least nine people were injured before he was arrested, according to local officials.
Philippines begins cleanup after Typhoon Kalmaegi leaves at least 85 dead
Residents of the central Philippines on Wednesday began scraping mud from streets and homes that survived after Typhoon Kalmaegi killed at least 85 and left dozens missing as it tore through the region.
China's Shenzhou-20 return mission delayed due to space debris impact
China's Shenzhou-20 crewed spacecraft has delayed its return mission to Earth after the vessel was possibly hit by tiny bits of space debris, the country's human spaceflight agency said on Wednesday, an unusual situation that could disrupt the operation of the country's space station Tiangong.
The UAE has announced a AED 170 billion package of national transport and road projects to be completed by 2030, aimed at easing congestion and improving mobility across the country.
Dubai’s Roads and Transport Authority (RTA) has rolled out a new fare structure for taxis booked via smart apps, but the changes will not affect passengers hailing taxis directly on the street.
The UAE has already achieved 67 per cent of its national goals under the "We the UAE 2031" vision — with six years still to go.
