A Florida man was arrested Friday after the death of his 9-year-old niece inside an Orlando apartment complex in February.

Officers said Bertholet Fify, 55, is charged with first-degree murder after Tayanah Jean Paul's death was ruled a homicide by the Orange County Medical Examiner's Office.

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Tayanah was found unresponsive inside her apartment on Millenia Boulevard on Feb. 27 and was transported to a hospital, where she died, police said.

Officers said they responded to the apartment complex at 10:15 p.m. after reports of a “man down” call.

Police have not said how Tayanah died.

Fify was arrested and booked into the Orange County Jail on Friday, officers said.