The charges against the two men come amid a growing concern about an increase of unidentified drone sightings around the northeastern United States

The mystery surrounding at least one of the unexplained drones causing Americans to look toward the night sky in recent days was solved late Saturday evening, when Boston police arrested two men for allegedly flying their unmanned aerial device too close to Logan Airport.

BOSTON (AP) — More suspected drone sightings in the eastern U.S. led to a temporary airspace shutdown at an Air Force base in Ohio and arrests near Boston’s Logan International Airport, as elected officials increased their push for action to identify and stop the mysterious unmanned flights.