To play this video you need to enable JavaScript in your browser. Major bridges in Ukraine have been the target of Russian strikes over the past four days, as Moscow ramps up attacks in Ukraine's capital city. The Pivnichnyi (Northern) Bridge, has been hit for the second day in a row, while the Pivdennyi (Southern) Bridge was hit multiple times earlier this week. The latest attack came as German Chancellor Friedrich Merz made a visit to Kyiv on Sunday. BBC Ukraine correspondent Dan Johnson is near one of the bridges that was targeted and explains what we know so far.

Why are these endangered moths swarming Australia's east coast? To play this video you need to enable JavaScript in your browser. Why are these endangered moths swarming Australia's east coast? The sudden influx of Bogong moths along Australia's east coast has caused a stir in cities like Sydney and Canberra, with people filming them infiltrating their homes and cars. The BBC's Helen Livingstone explains where they came from, and why there are so many.

Watch: Ukraine's race to counter a new type of Russian drone To play this video you need to enable JavaScript in your browser. Watch: Ukraine's race to counter a new type of Russian drone Close Russian attacks on Ukraine are becoming more devastating than before because of their new jet-powered drones, which are harder to shoot down. Russia launched nearly 3,000 of these new drones in August alone and while Kyiv has used missiles and fighter jets to fight against them, it is proving too expensive. Ukraine is now in a race to develop low-cost weapons that can counter them. The BBC's Abdujalil Abdurasulov spoke with Ukrainian air defence units about how they are fighting against this new threat.

To play this video you need to enable JavaScript in your browser. The recently released footage shows a helicopter hovering mere feet from a cliff face in the Sierra Nevada mountains in the US state of California while a rescue team secures an injured climber. The team successfully lifted the hiker off the cliff and transported them to an awaiting ambulance. Updates from your News topics will appear in My News and in a collection on the News homepage . Updates from your News topics will appear in My News and in a collection on the News homepage .

To play this video you need to enable JavaScript in your browser. The 79th Emmy awards were record-breaking and star-studded. Welsh actor Matthew Rhys made history with wins in two lead actor categories for his work in Widow's Bay and The Beast in Me. Updates from your News topics will appear in My News and in a collection on the News homepage . Updates from your News topics will appear in My News and in a collection on the News homepage .

To play this video you need to enable JavaScript in your browser. Selena Gomez, Dakota Fanning and Brett Goldstein were among the celebrities to pose for the camera on the blue version of the 78th Emmy Awards red carpet ahead of the ceremony in Los Angeles, California. Updates from your News topics will appear in My News and in a collection on the News homepage . Updates from your News topics will appear in My News and in a collection on the News homepage . Updates from your News topics will appear in My News and in a collection on the News homepage .

To play this video you need to enable JavaScript in your browser. Thousands of olive ridley turtles came to La Escobilla beach in Oaxaca, Mexico, to lay their eggs within 48 hours, according to sanctuary officials. The natural phenomenon is known as la arribada, meaning the arrival, and sees hundreds of thousands of the amphibians swim ashore in southern Mexico. This is the sixth wave of the creatures in the nesting season, which started in March. Updates from your News topics will appear in My News and in a collection on the News homepage .

Watch: Why Harry and Meghan's security in the UK to be reviewed To play this video you need to enable JavaScript in your browser. Watch: Why Harry and Meghan's security in the UK to be reviewed Close The Duke and Duchess of Sussex are going to be given a review of their publicly-funded security after their return to live in the UK. The Sussexes have changed their children's school, only days after they first started, over security concerns about the school run. It is understood that the committee which oversees royal and VIP security, known as Ravec, is to reconsider Prince Harry and Meghan's level of police protection now that they and their two children are full-time residents rather than visitors. It will assess any risks they face in their new home and the type of trips taken by the couple and their family, such as regular travel routes and school runs.

To play this video you need to enable JavaScript in your browser. Parts of New York, New Jersey and Connecticut were hit by flash flooding leading to water rescues, stranded motorists and half-marathon runners struggling through waist-deep flood waters. Connecticut officials said parts of the state saw up to seven inches of rain in a very short period of time, according to the BBC's partner, CBS News. Updates from your News topics will appear in My News and in a collection on the News homepage . Updates from your News topics will appear in My News and in a collection on the News homepage .

BBC AI correspondent answers: What is AI? Can it be stopped? To play this video you need to enable JavaScript in your browser. BBC AI correspondent answers: What is AI? Can it be stopped? What is AI? Could it pose a threat to humanity? Can it be regulated or stopped?