Environmental protesters have blocked Waterloo Bridge in London as they try to bring the city to a standstill.
Protesters also gathered at Marble Arch, situated at the end of Oxford Street, at Piccadilly Circus, and Parliament Square.
Meanwhile Waterloo Bridge looked increasingly deserted.
Workers at Shell were prevented from leaving the building after members of Extinction Rebellion superglued themselves to the entrance of their office, just before lunchtime too.
Roger Hallam, one of the movement's leaders, said on Monday nothing like this had been seen on the streets of London for decades.
Pete, whose wife Georgie organised the bike ride, described the ride as epic but said once in the capital the protest had sparked anger from drivers affected by the blockades.
The scientist said the group was calling on the United Kingdom government to fulfil three demands: to better inform the public about climate change, to make the country carbon neutral by 2025 and to create a citizens assembly model on environmental issues. "We wish to make peace with ourselves by making peace with our neighbour Earth and with our God".
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Police confirmed that there is video of the incident but said it will not be released until the investigation is complete. The Tribune also notes that "Court records show that Aranda has a history of convictions for misdemeanor offense".
What are the group's demands?
"They will be blocking five of the city's busiest and most iconic locations in a non-violent, peaceful act of rebellion where they invite people to join them for several days of creative, artist-led resistance".
There were loud cheers, the ringing of bells, and the blowing of whistles as people were quickly arrested and taken to police vans. "We must act now".
The majority arrested were seized for breaching public order laws and obstructing a highway.
Police had asked the campaigners to restrict their protest to Marble Arch after they caused widespread disruption on Monday, the BBC reported.
But police said no arrests were made overnight after earlier explaining their operational response to camping "would be dependent on what if any other issues might be ongoing at the time". "Our objective is to create a political crisis, if that means people being arrested and going to jail then so be it".