One day after a student was stabbed in a fight with another student at Houston ISD’s Sterling High School, HISD Police Chief Shamara Garner spoke about the district’s security protocols and what they are doing to keep kids safe.

HISD Police Chief Shamara Garner said in a video published Tuesday that a student was arrested for a social media threat amid a rise in reported threats against schools statewide.

The southeast Houston school was one of two placed on lockdown Wednesday because of incidents involving knives. A student at Elsik High School was in possession of a kitchen knife.

Police and school administrators in Eldridge are investigating an anonymous report about threatening language from a student, according to a news release from the Eldridge Police Department. Eldridge police and North Scott school officials received P3 reports on Thursday,

HISD is moving toward a new policy to keep students from using phones during emergencies because they could be “counterproductive” and inhibit first responders.