Hours before historic UN Nuclear Non-Proliferation Treaty (NPT) talks began in New York 250 Greenpeace activists entered Sellafield nuclear reprocessing plant and occupied the BNFL site in 6 places, including the new plutonium production facility THORP. 5 activists remained on site undetected for 24 hours. A 20 foot container was used to block the road to the plant. At the same time Greenpeace occupied the Aldermaston nuclear weapons factory. UK. Activists wearing orange suits climbing the gates to enter the plant.