Labour MP Michael Meacher has spoken out against the "secrecy" of the Bilderberg summit.
Mr Meacher, 73, called the delegates the "real top brass of western finance capitalism" and insisted that they should be held accountable.
"My objection is that it's being done in utter secrecy with the police keeping everyone else out."
Speaking in the protest area, the MP said the sheer volume of leaders and influential people at the conference means they should be held accountable.
"When 130 of the leaders from all across the West get together, and many of these are billionaires, they are people who are immensely wealthy and immensely powerful
"And when they all get together, it's not just to have a chat about the latest problem, it is to concert plans for the future of capitalism in the West.
"That is on a very different scale."
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