Unexplained drone activity cause airspace to be closed for nearly four hours over the weekend at Wright-Patterson Air Force Base in Ohio, over one of the most critical Air Force bases in the U.S. In New York, runways at Stewart International Airport in Orange County were closed for about an hour because of drone activity.

Homeland Security Secretary Alejandro Mayorkas said the federal government is taking action to address the aerial drones that have prompted concern among New Jersey residents. “There's no question that people are seeing drones,

Homeland Security Secretary Alejandro Mayorkas talks with CNN’s Wolf Blitzer about the mysterious drones flying over parts of the US.

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,