In a significant move in the middle of a war, Ukraine's president has sacked his military chief and is seeking to woo a former defence minister back into the fold – just days after ousting him too.

Jeffrey Epstein met with 10 leaders of The Gates Foundation - including billionaire Bill Gates - around 30 times, according to an external review for the charity.

The widow of PC Andrew Harper has said it is "deplorable" that two of the three men convicted over his death are being considered for early release from prison.

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.