Campus Alert Archive
WashU

Run, Hide, or Fight: WashU's 63-Minute Shelter-in-Place After False Report of Armed Person Near Brookings Hall

MOarmed personemergency notificationhigh confidence
UnfoundedNo evidence of an actual threat was found. The institutional response is documented because the alert communication is identical to what would occur during a real incident.

On February 24, 2026, Washington University in St. Louis issued a shelter-in-place alert at 9:18 AM CST after receiving a report of an armed person on the Danforth Campus. Law enforcement, including a helicopter, conducted a thorough search of Brookings Hall and nearby buildings. The all-clear was issued at 10:21 AM after no armed individual was found.

Alerts
3
Response
—
Killed
0
Injured
0
Institution
Washington University in St. Louis
Private R1 · MO
~16,000 studentsWashU Alert
Confirmed Timeline

Alert Sequence

3 messages in sequence · 3 verified verbatim

INITIAL ALERTSMS
Verified verbatimStudent Life student newspaper, quoting the WashU Alert text issued at 9:18 a.m. CST136 chars
WashU Alert: Armed person on Danforth Campus. Run, Hide, or Fight. If hiding, lock or barricade yourself in a room until further notice.
WashU Alert text quoted by Student Life as the 9:18 a.m. CST emergency notification on February 24, 2026
Uses the Run, Hide, Fight active-threat response framework recommended by the Department of Homeland Security
The alert was triggered by reports to campus safety about an armed individual near Brookings Hall
UPDATETwitter/X+5 min
Verified verbatimOfficial @WashUReady X post (status/2026319939921911971), February 24, 2026296 chars
WashU Alert Update: Police are checking buildings in the vicinity of Brookings Hall after receiving reports of a person with a weapon. There is no confirmation of an active shooter but please remain in place. If you see an armed person, Run, Hide, or Fight. Updates at https://emergency.washu.edu
Verbatim text from official @WashUReady X post confirming police were checking buildings near Brookings Hall
Multiple law enforcement agencies responded including local police and a helicopter
Students and faculty sheltered in classrooms, offices, and dorm rooms across the Danforth Campus
ALL CLEARSMS+1h 3m
Verified verbatimStudent Life student newspaper, quoting the WashU Emergency Management all-clear posted at 10:21 a.m. CST195 chars
ALL-CLEAR: Police have completed their search of the Danforth Campus and did not locate an armed individual. There is no active threat on campus at this time. Normal campus operations may resume.
Verbatim all-clear quoted by Student Life as the 10:21 a.m. CST WashU Alert on February 24, 2026
The shelter-in-place lasted 63 minutes from the first alert to the all-clear
WUPD Chief Angela Coonce later said the multiple reports of an individual with a weapon were not a credible threat; no armed person was found
Context

Background

On the morning of February 24, 2026, Washington University in St. Louis issued an emergency shelter-in-place alert at 9:18 AM CST after receiving a report of an armed person on the Danforth Campus. The initial WashU Alert used the standard Run, Hide, or Fight language, directing those on campus to lock or barricade themselves in rooms. A follow-up alert five minutes later specified police activity near Brookings Hall. Multiple law enforcement agencies responded, including local police and a helicopter. Officers conducted a thorough search of Brookings Hall and neighboring buildings. The all-clear was issued at 10:21 AM after no armed individual was found on campus. No shots were fired and no injuries were reported. The incident prompted campus-wide discussion about emergency preparedness and the psychological impact of shelter-in-place alerts on students and faculty.
Analysis

Key Findings

The 63-minute shelter-in-place ended with no armed individual found, illustrating the challenges of verifying reports of armed persons on campus
WashU's alert used the Run, Hide, Fight protocol, the standard active threat response framework recommended by the Department of Homeland Security
The five-minute gap between the first and second alerts provided an update specifying the search area near Brookings Hall
Outcome
Police completed their search of the Danforth Campus and found no armed individual. No shots were fired, no injuries were reported, and no arrests were made. Normal campus operations resumed after 63 minutes.
Provenance

Sources

  1. Student Paper
    Students and faculty reflect on shelter-in-place following reports of armed person (Student Life)
    studlife.com
  2. News
    Washington University officials issue all-clear after reports of armed person on campus (St. Louis Public Radio)
    stlpr.org
  3. News
    Police find no one with weapon on WashU campus in St. Louis (St. Louis Post-Dispatch)
    stltoday.com
  4. News
    All-clear given after Washington University issues alert (KFVS12)
    kfvs12.com
  5. Social
    @WashUReady on X — update alert (armed person, Brookings Hall)
    x.com
  6. Social
    @WashUReady on X — all-clear alert
    x.com
Tags
armed-personunfoundedshelter-in-placerun-hide-fightmissouriprivate-universityfalse-reporthelicopter-responseUnfounded
Added May 2026Updated June 2026Via ingestion