Florida police have arrested a high school student after video emerged of a potential gunman threatening to open fire at a school.

A woman has been arrested in connection with a social media threat that was made to Marjory Stoneman Douglas High School in Parkland, authorities said.

Two charter school students are facing terroristic threat charges, Arlington police say. Police said in a statement they were contacted Monday evening by the administration of Great Hearts Arlington,

Teens accused of threatening to kill Deland High School student