SAN ANTONIO — New video reveals the chaos inside Clark High School moments before the campus went on lockdown Friday afternoon .
Students can be seen screaming and sprinting out of the cafeteria as police chased down a student suspect. More students were spotted running across De Zavala Road to nearby fast food restaurants.
The lockdown began around noon after reports of a suspicious person in the parking lot who may have had a weapon.
In an e-mail to parents, the principal of Clark High School said the campus was first placed on “secure” status as a precaution. When Northside ISD police confronted a person matching the description, that individual ran, prompting a short pursuit. Both Clark and neighboring Locke Hill Elementary were placed on full lockdown until the suspect was detain