In the headlines
Fewer than half of Britain’s train services are running today, as staff walk out in the first of three rail strikes this week. There will be similar levels of disruption on Friday and Saturday, affecting events including the FA Cup final and a Beyoncé gig. At least 350 AI experts have signed a 22-word statement warning of the technology’s existential risks. Backed by figures including Sam Altman, whose company created ChatGPT, it reads: “Mitigating the risk of extinction from AI should be a global priority alongside other societal-scale risks such as pandemics and nuclear war.” New Yorkers gathered in the streets for “Manhattanhenge” last night, a biannual spectacle in which the sunset lines up with the city’s grid of skyscrapers. The next occurrence will be in July, and in winter the same thing happens with the sunrise.