U.S.-based internet forums 4chan and Kiwi Farms have filed a lawsuit against the United Kingdom's media regulator Ofcom in a federal court in Washington, D.C., challenging the enforcement of the UK's Online Safety Act. The lawsuit argues that the Online Safety Act, which includes provisions such as age verification requirements and regulatory enforcement measures, represents an attempt by the UK to export its censorship laws onto U.S. soil. The legal action follows threats from Ofcom to impose fines and block access to these websites for non-compliance with the law. The plaintiffs contend that the enforcement attempts violate their First Amendment rights, emphasizing the clash between free speech protections in the U.S. and the regulatory framework imposed by the UK. This case highlights ongoing tensions between technology platforms and global regulatory efforts concerning online content moderation and free speech.