(MAYWOOD) Proviso East High School in west suburban Maywood was temporarily put on lockdown Thursday after someone reported seeing a knife on campus.
The lockdown was instituted about 11 a.m. by the Cook County sheriff’s office, according to a statement on the Proviso Township High Schools District 209 website.
The premises were secured and the allegations proved to be unfounded, according to the statement.
“All students, faculty, and staff are safe,” the statement said.
The high school will have additional security and law enforcement at dismissal as a precaution.