The mysterious drones that lit up skies across the US late last year were authorised by federal regulators and "not the enemy," the White House has announced. The Federal Aviation Administration (FAA) had approved the drones for research and many also belonged to people in the area,

The White House released new information Tuesday on the mysterious drones seen across New Jersey skies late last year, but one state congressman isn't satisfied with their answers.

“After research and study, the drones that were flying over New Jersey in large numbers were authorized to be flown by the FAA for research and various other reasons,” Leavitt said. “Many of these drones were also hobbyists, recreational and private individuals that enjoy flying drones.