WINSTON-SALEM, N.C., Dec 2 (Reuters) - The University of North Carolina at Chapel Hill activated emergency sirens on Wednesday after police reported an "armed and dangerous" person on or near the campus, according to the school's Twitter account.
"The report is unconfirmed at this time, but the campus is asked to shelter in place," the school said in a subsequent alert to the campus.
(Reporting by Colleen Jenkins; Editing by Chizu Nomiyama)
UPDATE: UNC has updated their Twitter page with an 'all clear' message:
This is a developing story. Please check back for updates.
UNC-Chapel Hill has updated their Twitter account with a warnings:
Reactions and updates are starting to pour in over Twitter: