Russia is ready to carry out cyber attacks on the United Kingdom and other allies in a bid to weaken support for Ukraine, a senior minister will warn later. Chancellor of the Duchy of Lancaster Pat McFadden is set to tell a Nato meeting that the Kremlin could target British businesses and leave millions without power.

Work and Pensions Secretary Liz Kendall has said Nato countries are involved in a “hidden cyber war” with Russia. Chancellor of the Duchy of Lancaster Pat McFadden will warn in a major speech next week that Russia is prepared to launch a series of cyber attacks on Britain and other Nato members as it seeks to weaken support for Ukraine.

An expert has warned that Russia has been at war with the United Kingdom ‘for years’. It comes as a government minister is set to warn Nato about a ‘wave of cyber attacks’ Russia could unleash on Britain,