The drones have been appearing frequently over the nighttime sky at Morris County late at night, with locals speculating on social media that it could be anything from surveillance to UFOs. Residents are growing concerned about their origin and so is the FBI, according to a report from the Morristown Daily Record.

The FBI is investigating after large drones were spotted flying over central New Jersey over the last two weeks. The "cluster of what look to be drones and a possible fixed wing aircraft" have been recently sighted along the Raritan River,