Deputies are investigating a rollover that occurred during a monster truck tour at Rooster Cogburn Ostrich Ranch Friday.
According to the Pinal County Sheriff's Office, the monster truck flipped on its side and resulted in 12 people being injured.
None of the injuries sustained are considered to be life-threatening.
Three people were flown to the hospital.
PCSO is still investigating what caused the vehicle to flip.
Stay with KGUN9 and KGUN9.com for more on this developing story.