School locked down after armed robbery of mail carrier in Billerica
Two masked individuals robbed a mail carrier at gunpoint in Billerica, prompting a police investigation and temporary lockdown of a nearby school.
Lockdown lifted at Oakwood Collegiate after gunshots in area | CBC News
A public high school was placed in 'hold and secure' mode due to nearby gunfire, but no injuries were reported.
NYC school goes into lockdown over report of gunman, leaving shaken parents railing against phone ban
The Manhattan high school lockdown highlighted parents' frustrations over cellphone bans, as students used their phones to stay informed during an emergency.
School shooting scare on Upper West Side sees armored cops in classrooms, parents in panic | amNewYork
Anxiety surrounded the Upper West Side school as reports of an active shooter triggered a lockdown, but no perpetrator was found.