Sandy Hook Promise holds ‘Call to Action’ week

Sandy Hook Promise is holding its annual "See Something, Say Something" Call to Action week.
It's taking place in schools across America. It aims to teach students in grades six through 12 how to look for warning signs and threats, especially on social media.

According to the group, gun violence at schools has steadily increased since 2011, with 2018 seeing more than twice the number of incidents in any given year.