Nashville remains on edge in the aftermath of the Antioch High School shooting last month. Why it matters: School safety is dominating conversations at kitchen tables and in the mayor's office following the city's second school shooting in less than two years.

Two Northern California teenagers are under arrest after an investigation into alleged threats of a school shooting, authorities say.

A student at LaVenture Middle School was arrested Monday morning after bringing a gun to school, according to the Mount Vernon Police Department.