Well, that was fast.

Report of person with weapon on campus. Lock doors, remain inside for safety. Check email or home page for updates. https://t.co/2lARsOH4mM

— Princeton University (@Princeton) August 29, 2017

An ALL-CLEAR has been issued by Public Safety. There is no threat. Normal activities can resume. Check email and homepage for updates. https://t.co/J2kFfG3H4q

— Princeton University (@Princeton) August 29, 2017