Guardian: Oil trading was interrupted for more than an hour yesterday in the world's second largest energy market when 35 Greenpeace activists invaded the International Petroleum Exchange in London on the day the Kyoto global warming treaty came into effect.
The exchange, which trades oil worth up to $1,000bn a year and sets the price for as much as 60% of the world's crude supply, was thrown into chaos just before 2pm as traders and security guards clashed with the activists coming through the only door...