HS2 protester locks himself in tunnel below Euston Square Gardens
Daily Mail
The Euston demonstrator, known as 'Lazer', attached himself to the bottom of a tunnel using a device made of steel and concrete around his arm.
https://www.dailymail.co.uk/news/article-9228727/Anti-HS2-protester-locks-inside-tunnel-Euston-Square-Gardens.html?ns_mchannel=rss&ns_campaign=1490&ito=1490