Meghan Markle's estranged father, Thomas Markle, was arrested in Florida on Friday on charges related to child sexual abuse material, authorities said.

Markle, 82, was arrested by the FBI at a care home near Tampa, the U.S. Attorney's Office for the Central District of California said in a press release. He was charged with one count of possession of child pornography.

Authorities said Markle was arrested after agents discovered approximately 78 items — including slides, film negatives, and books — that contained suspected child sexual abuse material (CSAM) while searching two storage units registered to Markle, at least one of which was in the Los Angeles area.

"Mr. Markle is a...