The Czech billionaire Daniel Kretinsky’s £3.5bn bid for Royal Mail will be scrutinised to ensure it does not threaten national security, Jeremy Hunt has said. Mr Hunt, the Chancellor, said it is vital there are “no risks” to “core infrastructure” when asked by The Telegraph about Mr Kretinsky’s plan to purchase the postal service’s parent company International Distributions Services (IDS). He said: “We do always look at national security considerations and make sure that, in terms of our core infrastructure, there are no risks to those going forward, and any bid for Royal Mail would go through that normal process.” IDS’s board has said it is minded to accept the offer by Mr Kretinsky, known as the Czech Sphinx for his inscrutable manner. The investor’s company EP Group has submitted a revised of 370p per share for the company, an increase of 16pc on a previous offer which had been rejected. The billionaire was previously vetted under national security and investment rules in October 2022, when his stake in the company rose to above 25pc. No concerns were identified. Negotiations are ongoing between IDS and EP Group, but the board said on Wednesday that Mr Kretinsky would commit to protecting six-day first-class letter deliveries. Earlier this week, IDS...