Senior Ukrainian military officials believe Russia is planning a massive attack in the northeastern Kharkiv region in a bid to draw Ukraine’s efforts away from its counteroffensive.
It comes as the boss of MI6, Sir Richard Moore, suggested the invasion was “doomed”.
On the Sky News Daily, Niall Paterson sits down with our international affairs editor Dominic Waghorn and security and defence analyst Professor Michael Clarke to unpick the military offensive and counteroffensive.
Plus, they discuss the news that a US soldier is being held in North Korea after crossing the border from South Korea without authorisation, as confirmed by the US military.
Producer: Rosie Gillott
Promotions producer: Jada-Kai Meosa John
Editor: Paul Stanworth