The Home Secretary lifted all the self-isolation rules for travellers on 13 March last year. In the following 10 days, up to 10,000 people with covid arrived in the UK, making the pandemic worse. Lessons must be learnt this time. Further delays in strengthening quarantine and testing are a serious problem. Can she tell me why we saw crowded scenes at Heathrow on Friday at the UK border—the very opposite of quarantine? Is it true that for months people have been waiting for hours in those queues in unsafe circumstances? Is it true that the Border Force lifted some of the checks that she just said were being applied to 100% of passengers, because those queues were unsafe?