St. Ann, Missouri, police said they thwarted a possible school shooting. The teen was charged with first-degree terrorist threat, resisting arrest and unlawful use of weapons.

Threats of violence have sparked chaos at dozens of schools in Chicago and its surrounding suburbs since the beginning of the school year, leading to lockdowns, security screenings and days of remote learning.

As schools face a widespread surge in violent threats, districts have rushed to respond through parent meetings, local press appearances, and videos of students urging their peers to be careful what they post online.

The number of threats of violence against area schools has risen to the dozens as school safety concerns spike nationwide, local and federal law enforcement officials said Friday.

Parents across the Miami Valley are concerned as threats against local schools continue. Riverside police were at two schools Friday morning after threats began circulating on social media. The threat was reported Thursday evening,