(CNN) -- A gas explosion inside a Gainesville, Texas, Mexican restaurant Monday afternoon injured at least five people, including one child, according to a spokeswoman for the city's police and fire departments.
Belva McClinton said that three of the injured were taken from the scene via CareFlite helicopters, but she could not provide names and ages.
McClinton said that all the injured were believed to be inside the restaurant at the time of the blast and that investigators have not determined the cause.