RedactedNarrative: Vessel #1 operator reported that she was pulling three juvenile minors on a tube.  Vessel #2 (black Jet Ski) carrying two juveniles were getting close to her boat and she turned the boat and the the jet ski turned into the raft that she was pulling.  The two vessel #2 occupants were uninjured.  But one of the juveniles on the raft was injured in the water.  The victim was transported by Alpha 104 Livingston County Ambulance to Genesys Hospital.  Type of injuries is unknown.  It's unknown if life jackets were worn.  Vessel #2 operator's father was cited for allowing a person under 16 to operate a watercraft.