Firefighters say two people were injured in a boat explosion at Saguaro Lake Marina on Saturday afternoon.
Rural Metro Fire Department spokesperson Colin Williams says an 11-year-old girl had 40 percent of her body burned after a boat she was riding in exploded. The 45-year-old girlfriend of the girl's father was also burned.
Both the girl and the woman were flown to a hospital for treatment. Their conditions haven't been released.
Four other people had minor injuries.
There was significant damage to the cab of the boat. The cause of the explosion is under investigation.
This is a developing story. Stay with FOX 10 News for updates.