UK anti-Islam activist Tommy Robinson says he was detained under terrorism laws

British anti-Islam activist Tommy Robinson ⁠said he was ⁠detained at Heathrow ⁠Airport on Saturday and had his phone seized, after a week when he posted heavily online about racist and anti-immigrant riots in Northern Ireland.
Robinson, whose real ‌name is Stephen Yaxley-Lennon, said on social media he was held on Saturday evening for around three hours under the Counter-Terrorism and Border Security Act.
“My phone has been seized by the police,” he wrote. “Please help ⁠kick off my legal fund...