Three potential mass shootings were foiled over the last several days, authorities in Connecticut, Florida, and Ohio announced Sunday, thanks to tips from the public. In Connecticut, a 22-year-old man was arrested after police received a tip he wanted to buy large capacity rifle magazines from out of state. He wrote on Facebook that he was interested in committing a mass shooting, authorities said, and faces four charges of illegal possession of large capacity magazines. A 25-year-old man in Florida was arrested Friday after he allegedly sent his ex-girlfriend text messages threatening to commit a mass shooting; he will be charged with making written threats to kill or do bodily injury. A 20-year-old man was arrested Saturday after allegedly threatening to carry out a shooting at a Jewish community center in Youngstown, Ohio. His Instagram account featured white nationalist and anti-Semitic comments, authorities said.

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