An update on the shooting threat at Skyview High School in Nampa that has been developing over the past few days. (Previous story HERE)

A message written in red marker was found on a bathroom wall warning of a school shooting planned for yesterday.

Nampa police have charged two male teens with crimes related to the threat.

A 16-year-old was charged with disturbing the peace and for making threats of violence on school grounds and was being held in the Southwest Idaho Juvenile Detention Center in Caldwell.

An 18-year-old was charged with possession of a firearm, possession of lost or stolen property, and disorderly conduct. He was booked into the Canyon County Jail.

The firearm was found at a home and was not at the school or on any Nampa School District property.

Police said they are continuing to investigate the case.

According to KTVB, the schools resource officer said, “The safety of students and staff is our number one priority. We will not tolerate threats, whether made directly, through social media, anonymously or threats made as a hoax.”