Dozens of components made by UK-based companies, including a hobbyist computer originally designed to teach schoolchildren computing skills, are being used by Russia in weaponry to bombard Ukraine .

Ukrainian President Volodymyr Zelensky this week vented his frustration at the continuing flow of parts from Western-aligned countries needed to sustain Vladimir Putin’s war machine as Russia churns out £140bn of armaments and equipment this year.

In the last 18 months, 34 separate types of component designed or manufactured by UK-based companies, ranging from microprocessors to seat belts for armoured vehicles, have been or are being used in 15 different types of Russian munitions or equipment, according to analysis by The i Paper .

The UK is in an uncomfortable dilemma with its

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