Authorities in Miami are investigating the death of a passenger on board a Carnival Cruise Line ship, officials said.

Carnival Cruise Line said the passenger, identified as 18-year-old Anna Kepner , was traveling aboard the Carnival Horizon on a route from Miami to the Caribbean when she was found dead. The ship returned to PortMiami Saturday morning as planned, the company said.

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Kepner was a senior at Temp Christian School in Titusville, Florida. Details surrounding her death have not been released.

Carnival Cruise Line said the incident is being investigated by the FBI in Miami, adding "Our focus is on supporting the family of our guest."

A spokesperson for the FBI's field office in Miami confirmed to NBC Mia

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