UK MPs seek AI kill switch

1/ British MPs are trying to add an AI “kill switch” to a cyber bill already moving through Parliament. The proposal would let the UK government order the shutdown of data centres or AI systems in an “AI security or operational emergency,” under amendment NC12 tabled by Labour MP Alex Sobel. (bills.parliament.uk) 2/ The proposal is not a standalone AI law. It sits inside the Cyber Security and Resilience (Network and Information Systems) Bill, a government bill that updates the UK’s cyber rules for critical systems and is scheduled for report stage and third reading on June 10, 2026. (bills.parliament.uk) 3/ The text of NC12 is unusually specific. It says ministers could get “last-resort powers” to direct the shutdown of: - data centres, or - AI systems used or deployed by a data centre. (bills.parliament.uk) 4/ The threshold is also narrow on paper. The amendment says the secretary of state would need “reasonable grounds” to believe an AI-linked compromise poses a “catastrophic risk,” defined as likely to cause large-scale disruption to critical infrastructure, major damage to UK security capabilities, or severe large-scale harm to human life. (bills.parliament.uk) 5/ This matters because it moves the debate from model rules to physical control. The UK already has AI governance discussions, but no AI-specific cross-sector law or regulator. The House of Lords Library said on May 20 that Britain still regulates AI mainly through existing sector rules and non-statutory principles. (lordslibrary.parliament.uk) 6/ In plain terms: this is not just about what companies are allowed to build. It is about whether the government should have a legal mechanism to cut off compute if an AI system is tied to an emergency. 7/ The amendment also tries to make shutdowns operationally possible. It says regulations must require data-centre operators to have the technical infrastructure needed to comply with those last-resort powers. It also requires a report to Parliament within seven days after any shutdown direction. (bills.parliament.uk) 8/ That reporting clause is important. It suggests the backers know the power would be extraordinary and politically sensitive, so they built in after-the-fact parliamentary disclosure rather than leaving the power entirely opaque. That is an inference from the amendment text. (bills.parliament.uk) 9/ The backdrop is the UK’s growing concern over the physical footprint of AI. Parliament’s Environmental Audit Committee opened an inquiry on February 27 into the sustainability of UK data centres, saying their electricity consumption is expected to quadruple by 2030, citing the National Energy System Operator. (committees.parliament.uk) 10/ A second parliamentary inquiry followed on April 16. The Science, Innovation and Technology Committee said data centres currently use about 2.5% of UK electricity and that consumption is expected to rise four-fold by 2030 as AI demand grows. (committees.parliament.uk) 11/ So the policy pressure is coming from two directions at once: - safety and emergency control - energy, water and infrastructure strain Those are separate debates, but they are converging on the same physical bottleneck: data centres. (committees.parliament.uk) 12/ The politics are still uncertain. Parliament’s amendments page says NC12 has had “No decision” and “The House has not considered this amendment.” That means the idea is live, but not adopted. (bills.parliament.uk) 13/ That uncertainty matters because the government has taken a more targeted approach on AI rather than bringing in a broad AI statute. The Lords Library said ministers had previously planned an AI bill but later chose a narrower route. (lordslibrary.parliament.uk) 14/ In other words, the UK is not suddenly building a full AI emergency regime. MPs are trying to bolt one emergency power onto a cyber-resilience bill that is already about essential systems and infrastructure. (bills.parliament.uk) 15/ The practical question underneath all this is simple: if frontier AI becomes a genuine operational threat, who can actually stop it? NC12 answers that question with a chain of authority running from the secretary of state to data-centre operators. (bills.parliament.uk) 16/ The next concrete date is June 10, 2026, when the Cyber Security and Resilience Bill is scheduled for report stage and third reading in the Commons. That is the point at which this amendment can be tested politically. (commonslibrary.parliament.uk)