Desert Oasis High School was placed on lockdown Wednesday while Clark County School District police investigated a report of a weapon on campus, the school's principal said in an email notifying parents of the situation.
Lockdown at Enterprise High School in Redding due to possible student with gun
Report of a gun prompted Granby High School lockdown – The Virginian-Pilot
Weapon reported at Vancouver high school was prop axe for school project, police say
Iowa school goes into lockdown after report of gun on campus
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Vidalia High School put on brief lockdown after gun found in backpack
UPDATE: Lockdown lifted after reports of weapon at Flowing Wells High
Pleasant Grove school put on lockdown after weapon report - The Daily Universe
Lockdown Lifted At Burnsville High School; No Weapon Found - CBS Minnesota
Woodruff weapon report prompts lockdown of all PPS high schools
Lockdown lifted at Colonial High School after tip of person with weapon on campus: officials
Vintage gun for teacher's presentation triggers police lockdown at Vancouver school, iNFOnews
Lockdown at local high school over report of weapon
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PSD high school placed in lockdown after empty gun magazines found