Hundreds of riot police descended into Soho, London, on Tuesday morning. They raided a building being used by anti-capitalists ahead of a protest against the G8 summit.
Police helicopters hovered overhead and roads were blocked as cops surrounded the building, a former police station.
Hundreds of anti-capitalists had occupied it on Thursday night of last week to be used as a meeting point for activists during a planned week of protests.
The G8 group of rich countries is meeting in Northern Ireland on Monday and Tuesday of next week.
Anti-capitalist activists were preparing to take part in a Carnival against Capitalism when police swooped.
Cops issued Section 60 orders for Westminster and the City of London, which allows them to stop and search anyone they deem a threat to the peace.
The StopG8 group has sent out a list of targets for anti-capitalists to demonstrate at during the anti-G8 rallies.
These included Fortnum and Masons, where tax avoidance protesters were arrested during a peaceful sit-in two years ago.
Ian Tomlinson died after being pushed to the ground by a police officer during protests against the similar G20 group in 2009.
More Islamophobia in the Tory party
They’re fighting for higher pay
73,000 health workers could lose their jobs
500 people rallied in London