A large number of mysterious drones have been reported flying over New Jersey and across the eastern U.S., sparking speculation and concern over where they came from and why. New Jersey Gov. Phil Murphy and U.

Officials sound alarm over reports of the strange sights—seen over New Jersey, New York, Maryland and Pennsylvania—with one asking for a “limited state of emergency.”

Federal authorities are facing mounting pressure to address a recent surge in reported drone sightings across the East Coast, as residents and local officials express growing concern.