The FBI launched an investigation into unidentified unmanned aircraft spotted flying in Texas skies over a major naval military base. The mysterious “drones,” which have been spotted in multiple states and sparked congressional uproar,

Police in White Settlement say they’re investigating a series of drone sightings near neighborhoods and a military base. It comes amid a flurry of sightings across the country that have a lot of people concerned. NBC 5’s Keenan Willard has more.

The North Texas police department is working with federal agencies to identify who was operating the drones and their flight trajectories.