Phoenix Police are starting the school week by investigating an unknown threat at Cesar Chavez High School.
According to police, officers are on scene providing extra security after comments were made on social media over the weekend.
Several concerned parents reached out to ABC15 on Monday morning, but no further information about this latest incident is known.
On Friday, police were at the school investigating after a series of fights broke out on campus.
Cesar Chavez High School is located near 41st Avenue and Baseline Road.
