A 32-year-old man who the Anti-Defamation League describes as a “volatile white supremacist-accelerationist” was arrested Tuesday morning in south Florida for allegedly being a convicted felon in possession of a firearm, authorities said.

A 32-year-old man who the Anti-Defamation League describes as a “volatile white supremacist-accelerationist” was arrested Tuesday morning in south Florida for allegedly being a convicted felon in possession of a firearm, authorities said.