Delhi was the most polluted capital city in the world in 2023, a Swiss-based air-quality monitoring group has found.
Scientists say they have successfully eliminated HIV from infected cells, using Nobel Prize-winning Crispr gene-editing technology. Working like scissors, but at the molecular level, it cuts DNA so "bad" bits can be removed or inactivated.
Hamas leader Marwan Issa died in an Israeli air strike, White House official Jake Sullivan has said. As deputy military commander, Issa would be Hamas's most senior leader to die since the war began on 7 October.
In India's Bengaluru city (formerly Bangalore), thousands of people have been chasing tankers, taking fewer showers and sometimes missing work to store enough water to get through the day.
The US House of Representatives has passed a landmark bill that could see TikTok banned in America. It would give the social media giant's Chinese parent company, ByteDance, six months to sell its controlling stake or the app would be blocked in the US.
India's government has announced plans to enact a controversial citizenship law that has been criticised for being anti-Muslim.
Several people were injured on a Latam Airlines flight after a "technical event" caused a "strong movement". The aircraft "just froze" after a "quick little drop", one passenger told the New Zealand Herald.
The two men - who have both been temporarily suspended - fell asleep during a flight on 25 January from Sulawesi to the capital Jakarta.
England's tour of India ended in woeful fashion as some spineless top-order batting resulted in a massive defeat inside three days in the fifth Test in Dharamsala. Needing 259 to make the home side bat again, England were bundled out for 195 to lose by an innings and 64 runs and hand India a 4-1 series victory.
More than 280 Nigerian school pupils have been abducted in the north-western town of Kuriga, officials say. The pupils were in the assembly ground around 08:30 (07:30 GMT) when dozens of gunmen on motorcycles rode through the school, one witness said.
Last month was the world's warmest February in modern times, the EU's climate service says, extending the run of monthly records to nine in a row. Each month since June 2023 has seen new temperature highs for the time of year.
Tracking website Downdetector indicated more than 300,000 reports of outages for Facebook, while there were more than 20,000 reports for Instagram.
Children are dying of starvation in northern Gaza, the World Health Organization (WHO) chief says. Tedros Adhanom Ghebreyesus said the agency's visits over the weekend to the Al-Awda and Kamal Adwan hospitals were the first since early October.
Haiti has declared a 72-hour state of emergency and night curfew in and around the capital because of two jailbreaks and spiralling insecurity.
Many of the people treated for injuries following a rush on an aid convoy in Gaza on Thursday suffered gunshot wounds, the UN has said. UN observers visited Gaza City's al-Shifa Hospital and saw some of the roughly 200 people still being treated.