RIVERSIDE (CBSLA.com) — Two boys are in the hospital after they were severely burned while attempting to shoot a video.

William Monzon was watering his lawn just before 10 p.m. Friday when he heard two boys screaming from across the street.

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“They were saying, ‘We’re burning! We’re burning!'” he recalled. “I asked what happened and they said, ‘We got burned with the gas.'”

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The fire department says the two boys, around 13 years old, tried to light a fire with gasoline for a video they were shooting when it exploded in their faces.

Monzon says all he could do was douse the boys with water, turn off the gas line and call 911.

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The boys were burned on their face, torso and hands.