Climate change activists glued themselves to a train and others chained themselves to Jeremy Corbyn's home in a third day of protests.
Extinction Rebellion protesters have been blocking traffic at Marble Arch, Waterloo Bridge, Parliament Square and Oxford Circus since Monday.
Earlier, three activists were glued to a Docklands Light Railway (DLR) train at Canary Wharf, causing minor delays.
Four people also glued themselves together at the Labour leader's home.
Extinction Rebellion targeted the DLR after members changed their minds about disrupting the Tube network.
It came after BTP ordered Transport for London (TfL) to switch off wifi at Tube stations to deter protests.
The campaigner who glued himself to a train window was removed about an hour after the start of the DLR protest, at about 10:50.
The man and a woman who unfurled a banner and glued themselves to the top of the train's carriage were also later removed and carried off by officers.
BTP said three people had been arrested for obstructing the railway.
As of 17:00 BST, 340 people have been arrested since Monday over the protests, the Met Police said.
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