OpenAI has revealed some of its models went rogue and hacked into another artificial intelligence company in an "unprecedented cyber incident".

Chelsea have broken the record for the most expensive transfer for a British player, signing Morgan Rogers from Aston Villa for £117m.

France has approved a blanket ban on under-15 children using social media, the first European country to introduce such a restriction.

US singer D4vd, who is accused of murdering and dismembering a teenage girl, told police he did not know she was a minor, a court has heard.

US actress Kaylee Hottle, 18, who starred in two Godzilla movies, has died in a car crash in Maryland, her father has announced.

A toxic mix of hundreds of chemicals has been detected at three illegal waste sites across the country.