British far-right activist Tommy Robinson, whose real name is Stephen Yaxley-Lennon, was detained by police at Heathrow Airport on Saturday. The detention occurred after a week of increased social media visibility for Robinson. Authorities stopped him and confiscated his mobile phones under Section 3 of the Border Security Act 2019, which relates to counter-terrorism measures. The Guardian reported the incident, noting the use of antiterrorism legislation. The specific reasons for the detention remain unclear, but it falls under powers designed to address potential threats at the border. This action follows a period where Robinson’s online presence has been growing. No further details regarding potential charges or the length of his detention have been released.