UFO in NYC: Aliens or balloons in New York sky?

Crowds in New York have had their eyes to the skies - in an alleged UFO sighting.

Dozens of videos posted online show passers-by seemingly staring at a group of unidentified flying objects in the sky over Manhattan. Adding mystery to the event is a prediction by a retired NORAD officer Stanley A. Fulham.

In a recent book, he claimed that on October 13th - the day of the sighting - a fleet of UFOs would hover over the world's principal cities.

Many witnesses insist that what they saw were, indeed, alien spaceships... while others say it looked more like a group of hot air balloons.