Telegraph: Plane Stupid said seven people had broken through Aberdeen Airport’s security fence and placed themselves inside a wire “fortress” on the tarmac. Several other protesters climbed on to the roof of the terminal building, the group added. Operator BAA said the activists were positioned on a helicopter taxiway on the east side of the airfield. It was too early to say whether early flights would be disrupted, a company spokesman added, but passengers on early flights were being …