Increased security at Covina high school in response to threats

Extra patrol units from the Covina Police Department and the Los Angeles County Sheriff's Department were assigned to Charter Oak High School and the immediate area following a school threat.

A student and non-student were involved in a fight on campus on Wednesday, Covina police said in a Facebook post.  Those involved in the fight were arrested. However, the situation between the two involved parties was not resolved and continued to escalate. Several posts about a school threat began circulating on social media. 

School officials reported low attendance at the school after the threats.