Why has Zelenskyy sacked Ukraine’s most senior defence figures?

It's not just Andy Burnham who's been purging politicians from government.There's a wartime power struggle in Ukraine, where Volodymyr Zelenskyy ousted his top army commander Oleksandr Syrskyi – before trying to bring the country's former defence minister Mykhailo Fedorov back into government, just days after dismissing him.The sacking of Fedorov led to almost a week of nationwide unrest and represents one of the biggest political crises since Russia's full-scale invasion in 2022.So, what does all this mean for Ukraine's ongoing struggle for survival? Niall Paterson is joined by Sky's military analyst Professor Michael Clarke.Have you got a question for Niall? Email us: [email protected]