A 21-year-old man is facing charges after the two young boys he was watching were left alone in a bathtub and suffered severe burns that sent them both to the hospital.

Charles Robinson Collins will face two counts of child endangerment on Wednesday.

On June 18, Collins was watching brothers 3-year-old Leland Young and 18-month-old Landon Young when they were in the bathtub. The babysitter claims that when he left the room to use the bathroom in a different apartment, the older brother turned on the hot water.

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Both boys had to be taken by helicopters to a nearby hospital. Leland suffered burns over 80 percent of his body and Landon suffered burns over 50 percent of his body.

CBS Boston reported that both brothers are still being treated at Shriners Hospital for Children.