MIRAMAR, Fla. (AP) - A South Florida teen has been arrested after tweeting about rape.

Miami police say a 15-year-old Miramar boy tweeted to them "I'm bout to rape a lil girl" then "I've been out here taking little girls and I hear no sirens."

Police said Friday when they arrived, the boy told detectives he was "just joking," but officers weren't amused. The boy was arrested and charged with making a false police report.

The Miami Herald reports it's the second recent Twitter-related arrest in South Florida. A firefighter was arrested earlier this month after posting pornographic images of underage girls.

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