HS2 security guards push a female anti-HS2 activist into the river Colne at Denham Ford during bridge building works for the HS2 high-speed rail link on the first day of the second national coronavirus lockdown on 5 November 2020 in Denham, United Kingdom. Prime Minister Boris Johnson has advised that construction work may continue during the second lockdown but those working on construction projects are required to adhere to Site Operating Procedures including social distancing guidelines to help prevent the spread of COVID-19.