Five people are recovering after being injured when a boat exploded at Saguaro Lake in the Tonto National Forest.
Maricopa County Sheriff's spokesman Joaquin Enriquez says all five passengers were injured when the explosion happened Sunday afternoon
Enriquez said the blast happened in the engine compartment of the 21-foot Donzi Regatta boat after its owner Roderick Harrison started the engine.
The injuries included minor burns and a possible broken ankle.
Authorities are still trying to determine what caused the explosion.
Officials said drugs or alcohol do not appear to be a factor in the accident.