Dozens of suspected drones have been spotted flying over states on the East Coast of the United States, sparking concern from local officials.

For weeks, New Jersey residents have spotted mysterious drones in the night sky throughout the state. Some New Yorkers and Pennsylvanians have seen them, too. These sightings have confounded local and federal authorities, who have been unable to determine the drones’ origins or their purpose. Here’s what we know about the ongoing mystery.

Federal law enforcement agencies are urging Congress to give them greater authority to handle drones in the United States. While the request has preceded the recent surge of unexplained drone sightings on the East Coast,

Secretary Alejandro Mayorkas sought to assure the American people that the federal government has a handle on the reports of drone sightings on the East Coast. In an interview on ABC News’s “This Week,