St. Mark's Hospital briefly placed on lockdown
Lost on the Frontline - KFF Health News
Wake County IDs suspect in threat against Zebulon Middle School on same day two others are locked down
Clear Fork Middle School on lockdown after reported threat - Morrow County Sentinel
Folderol, Masking and Social Obligations in a 21st Century Pandemic, by the sparkling observationalist, Aug, 2023
Lockdowns lifted at 5 Berkeley County schools after authorities investigated potential threat
Several Colorado schools put on lockdown Wednesday
Zebulon Middle School students released early for Code Red lockdown after social media threat - ABC11 Raleigh-Durham
Earthquake / Disaster / Fire / Lockdown Drills – SPMS Calendar and Events – South Pasadena Middle School