UFO Over New York A mass UFO Sightings occurred over New York City on October 13,2010. There were varing reports, indicating that there was more than one UFO event that took place that day. The sighting that caused the largest media frenzy was quickly explained away as balloons that escaped from a party at a Long Island school. Based on descriptions provided by various witnesses, not everyone shared the opinion that the UFOs were mere balloons. Here are some UFO Photos that were taken on the day.