https://www.reuters.com/article/us-arm-holdings-m-a-nvidia-britain/uk-intervenes-in-nvidias-takeover-of-arm-on-security-grounds-idUSKBN2C61GM

Britain said on Monday it would intervene in SoftBank's sale of chip designer ARM Holdings to U.S. group Nvidia on national security grounds, and had requested a report on the implications of the $40 billion deal.