Protests organised by the climate activism group Extinction Rebellion have got underway in London.
The group says it will protest throughout the capital over the next two weeks.
It is the largest action of its kind since the group came to London for a fortnight in April 2019.
Here are just some of the scenes at the protests today (23 August).
13. Protest platform
An activist sits atop a makeshift platform erected to help block the road as part of the 'Impossible Rebellion' (Photo by Dan Kitwood/Getty Images) Photo: (Photo by Dan Kitwood/Getty Images)
14. 'Demand change'
A climate protestor bares all as police look on in Covent Garden (Photo by Dan Kitwood/Getty Images) Photo: (Photo by Dan Kitwood/Getty Images)
15. 'Come to the table'
Climate activists from the Extinction Rebellion sit and stand atop their large pink table they set up in a road in central London (Photo by TOLGA AKMEN/AFP via Getty Images) Photo: (Photo by TOLGA AKMEN/AFP via Getty Images)
16. 'Tell the truth'
A protester taking part in a 'lock on' to a van brought by campaigners, in a bid to block the road (Photo by Dan Kitwood/Getty Images) Photo: (Photo by Dan Kitwood/Getty Images)