The Cardinal School Supply store on North Las Vegas Boulevard is closed for a lockdown after the school’s emergency lockdown order was lifted.
The store is located near the intersection of North Las Vegas Boulevard and North Las Peñas Blancas Boulevard.
The school district says it has canceled classes for the rest of the week.
The lockdown order is in effect until further notice.
The district says that all schools in the area are under lockdown until further review.
The National Guard is on standby at the scene and is currently on patrol in the city of Las Vegas.
The area around the store has been cordoned off with police tape.
The Las Vegas Metropolitan Police Department says it’s assisting the local sheriff’s department.
The sheriff’s office says it will continue to monitor the situation.ABC News’ Mark Fainaru-Wada, Adam Buss and Josh Dawsey contributed to this report.