NORTHFIELD, Minn. (FOX 9) – The federal government is investigating sightings of SUV-sized drones in the skies over New York and New Jersey, as residents of Northfield, Minnesota, continue to spot mysterious flashing lights in the night sky.

It’s unclear what the objects were, but the White House said Tuesday that the FBI is investigating the sightings on the East Coast.

“We tried to follow them, but they weren’t followed,” remembers Deborah Wagner. “They’re kind of like that – they just disappear.”

She also sees her daughter Chrissy Graddy, who lives in the same neighborhood.

“Are those UFOs? Are they a government issue? What are they?” she asked herself.

Graddy took several videos on her phone showing floating, moving and disappearing balls.

“Whenever someone moved — came toward him — he backed away,” Wagner said.

Wagner and Graddy began seeing the lights over the summer and said sightings now occur almost every night.

“Right now it’s just the unknown that’s driving us crazy — and making us angry,” Graddy said.