It’s a bird, it’s a plane, it’s a UFO . . . it’s a drone?

It’s a bird, it’s a plane, it’s a UFO . . . it’s a drone?

[There have been few UFO sightings in recent years, with the exception of India (see one example below). But there has been a dramatic increase in the number of unmanned aerial vehicles (drones).] The Indian Air Force, and security agencies at Delhi’s Indira Gandhi International (IGI) Airport, have been put on alert for aerial threats […]