<sod >He told The Reuters: âWhat you have is a massive proliferation of easy access to the air from machines that have the capacity to cause nuisance, to carry out surveillance, to cause potential injury and to frighten people and cause collisions with cars and airplanes.< eod>< sod > He told The Independent: "What you have is a massive proliferation of easy access to the air from machines that have the capacity to cause nuisance, to carry out surveillance, to cause potential injury and to frighten people and cause collisions with cars and airplanes. "There needs to be regulation and there needs to be systematic attempts to educate the public.< eod>