What happened
The lights seemed to change from a square to a triangular formation. A police helicopter confirmed they were flares tied to helium balloons, and a local man admitted releasing them.
"triangular formation"The witness's own shape words
Witnesses
Unnamed residents; an unnamed Phoenix man admitted responsibility
Explanation
Hoax
Basis: admission and police observation. A local man admitted releasing flares tied to helium balloons, and a police helicopter saw them.
Sources
- Radford, Mysterious Phoenix Lights a UFO Hoax, LiveScience (2008)livescience.com
- Wikipediaen.wikipedia.org