NUCLEAR security advisers have started to prepare a report into the Greenpeace invasion of the Sizewell B power station.They have started as the Government dismissed claims that the incursion had exposed weaknesses which could be exploited by terrorists.

NUCLEAR security advisers have started to prepare a report into the Greenpeace invasion of the Sizewell B power station.

They have started their work as the government dismissed claims that the incursion had exposed weaknesses which could be exploited by terrorists.