Dozens of drone sightings have been reported New Jersey since November 18, according to local authorities.

The drones were initially spotted near the Raritan River, a waterway that flows into the Round Valley Reservoir – the largest in New Jersey, the Associated Press reported.

The sightings soon spread to other parts of the state, including the New Jersey coast.

Close by New York CityOn December 12, several drones were reportedly flown over the Bronx, a police official told CBS News, the BBC’s US affiliate.

Officers responding to the incident saw the drones flying overhead but disappeared soon after.

In MarylandFormer Republican governor Larry Hogan claimed he saw what appeared to be “dozens” of drones over his residence in Davidsonville, about 25 miles (40 km) from Washington DC.

Drone sightings have also been reported in several districts Pennsylvania.

And now authorities are investigating reports of drone sightings ConnecticutAccording to the police, the emergency services used a drone detection system to investigate.