CHICAGO (WBBM NEWSRADIO) — A message posted to social media Thursday night threatening a shooting at an Aurora high school was “not credible,” according to police in the western suburb.

After being alerted to the post, several detectives specializing in internet crimes investigated the threat and deemed it was unfounded, according to Aurora police.

READ MORE: Chicago Culture Celebrates The City While Giving Back To Youth For Black History Month

Nevertheless, police warned that any such threat is “taken extremely seriously.”

READ MORE: Mother And 10-Year-Old Daughter Dead, 4 Family Members Hospitalized After House Fire In Auburn Gresham

“These incidents are crimes not jokes,” according to a statement posted to the department’s Facebook page. “We encourage parents to reinforce this fact to their children. We will prosecute anyone involved in these crimes to the fullest extent of the law.”

Anyone with information about the threatening post should call Aurora detectives at (630) 256-5500. Anonymous tipsters can also call Aurora Crime Stoppers at (630) 892-1000 and qualify for a cash reward of up to $5,000 for information that leads to an arrest.

MORE NEWS: Chicago Weather: Warm But Wet Sunday Morning Ahead Of Cold Front

(Source: Sun-Times Media Wire © Chicago Sun-Times 2018. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)