In a speech to Nato chiefs Labour's Pat McFadden will warn 'the threat is real' as Vladimir Putin ramps up his cyber war with Ukraine's allies as World War Three fears heighten

Russia is prepared to launch a series of cyber attacks on Britain and other Nato members as it seeks to weaken support for Ukraine, a senior Cabinet minister will warn in a major speech next week.

Pat McFadden will tell a Nato conference that Russia could try to attack British businesses and power grids.

Russia is prepared to launch a wave of cyber attacks on Britain that could “turn out the lights for millions”, a Cabinet minister will warn at a Nato conference on Monday. Vladimir Putin is willing and capable of triggering a “destabilising and debilitating” electronic strike on the UK,