Hertfordshire Police arrest an environmental activist from HS2 Rebellion who, together with another activist, had used a lock-on arm tube to block a gate to the South Portal site for the HS2 high-speed rail link on 14 September 2020 in West Hyde, United Kingdom. Anti-HS2 activists blocked two gates to the same works site for the controversial £106bn rail line, one remaining closed for over six hours and another for over twelve hours.