Thousands of police and paramilitary personnel were deployed across the city, mobile internet services were suspended in the central business district and dozens of metro stations and markets were shut as authorities moved to stop a demonstration organized by the Cockroach movement.

Under Malaysian guidelines, API readings above 100 are classified as unhealthy, above 200 as very unhealthy, above 300 as hazardous, while readings beyond 500 constitute the threshold for declaring a local emergency.

"WMO forecasts indicate a near-100% likelihood that (El Niño) will persist through February 2027, potentially being one of the strongest since at least 1950," WMO Secretary General Celeste Saulo said in a statement released with the bulletin.

Brazilian prosecutors on Friday filed an unprecedented lawsuit against oil giant Shell's subsidiary in the country, demanding US$108 million in compensation over deadly 2024 floods.

Condemnation of US plans for a public execution by military firing squad escalated Friday, as Vice President JD Vance cast doubt on whether it would be livestreamed as proposed and insisted he would not watch if it is.

An Anthropic artificial intelligence model submitted a false homicide tip to a Philadelphia police website, among a string of incidents the AI company disclosed on Friday detailing Claude models' unsanctioned manipulation of some government websites.

AI chatbots have made large-scale cheating among US students – what some educators call "homework scams" – easier than ever, allowing them to generate credible solutions to almost any written assignment within seconds.

The United States on Friday announced sanctions on the International Criminal Court, vowing to cripple the tribunal's operations just hours after the Nobel Peace Prize went to a former ICC judge who warned of mounting political attacks on the court.

US President Donald Trump said Friday that he had secured Russia's agreement for a major release of diesel, as he eased war sanctions on Moscow in a push to lower energy costs ahead of midterm elections.

Navi Pillay, a former ICC judge who oversaw a UN report that concluded Israel committed genocide in Gaza, won the Nobel Peace Prize on Friday "for her efforts to promote peace and international law".

Here's what we know about the case, which officials have not linked to her work or plague, and about the disease she studied.

Saturday's attack, the deadliest in the kingdom in more than a decade, occurred without warning, with no alert issued by Saudi Arabia's threat warning system. 

Saudi Arabia said on Friday that three people including a pilot were killed in attacks on Riyadh international airport the day before when Yemen's Houthis claimed hits on the facility.

Iran-backed Houthis on Monday said they had struck Riyadh's international airport, an Aramco refinery and several other sites in Saudi Arabia, as the Saudi-led coalition in Yemen said they had destroyed Houthi targets on the Red Sea coast.

Yemen's government forces said Sunday they had struck Houthi targets around the country, deepening the conflict ravaging one of the world's poorest nations and the wider region.