Staten Island Borough President Vito Fossella said the drones, often seen flying at night, have been spotted hovering over critical infrastructure, including Port Liberty New York near the Goethals Bridge, the Verrazzano-Narrows Bridge and Fort Wadsworth, one of the oldest military installations in the country.

Drone sightings have been reported across the eastern United States, and central Pennsylvania is no different. Here's what we know so far.