Both burst into flames and crashed.
No spectators were hurt.
The air show in Moose Jaw was immediately canceled.
Have a look at
Masters of Disaster1
Masters of Disaster2
Masters of Disaster3
2 of the three Masters of Disaster died in the crash, the third plane involved in the dogfight simulation landed safely. I have no info on wich one that was.
Masters of Disaster - The Hottest Airshow Performers!
The probably only relation to "military' Aviation is that the show was a WW1 dogfight simulation. I know...