The Phoenix Lights - Flares and Helium?

[NewsDoober]

Here in Arizona we have been under a red flag extreme fire danger warning for weeks due to dry and windy conditions. Last Sunday a brush fire was caused by a tire blowout. No one in their right mind would launch flares into the sky suspended from weather balloons, they would be arrested! My friends in the Tucson Pyrotechnic Circus use flares and helium balloons in their performances.

More... (http://www.ufodigest.com/news/0508/flares-reappear.html)