Two teenagers fell from an amusement park ride in El Paso, Texas Sunday night, leaving one critically injured, reports CBS affiliate KDBC-TV.
The other teen suffered minor injuries, the station says, citing police.
It happened at the St. Anthony's Bazaar.
Authorities say one person had to be rescued from the ride.
The Crimes Against Children unit is investigating.
There was no immediate indication from police of why that unit is involved.