(STORY IMAGE:KHQ.COM)

COEUR D'ALENE, Idaho -UPDATE:Coeur d'Alene Public Schools have announced security changes at Lake City High School following a new threat.

The district says the following policies will be in effect today:

LCHS students will not be allowed to use personal electronic communication devices (including cell phones) during school hours effective immediately and until further notice.

Students will not be allowed to leave campus for lunch

Until further notice, once students arrive on campus no student will be allowed to leave the building before 2:30 p.m.

Lake City High School administration is offering a $200 reward for information that leads to the identification of the individual(s) involved in these social media postings.

On October 11, 2017 at about 6:30 p.m., the Coeur d’Alene Police Department was notified about another threat posted to the social media account of a male student at Lake City High School.

Detectives were called out to interview the male and gather as much information and evidence as possible. In this case, just as in the previous case, officers will continue to work with the FBI and other federal agencies and with the social media applications to identify and locate to person responsible for these malicious threats.

Police say the safety of area students is their top priority. Administrators with School District 271 and Lake City High School have been notified and are working in conjunction with law enforcement. On Thursday, the staff at Lake City High School will be implementing changes to increase security at the school. Also there will be additional police officers at all area schools, including Lake City High School,looking for suspicious activity.

This is an active investigation. Anyone, including students, with information related to this incident should contact the Coeur d’Alene Police Department immediately. You can remain anonymous if you wish.