This browser does not support the Video element.
HOFFMAN ESTATES, Ill. - Three students were arrested and one was found to be in possession of a handgun after a fight Friday morning at a high school in suburban Hoffman Estates.
The incident occurred around 7:40 a.m. at Hoffman Estates High School, which is located at 1100 West Higgins Road.
The altercation stemmed from a social media conflict outside of school, according to Principal Mike Alther.
DOWNLOAD THE FOX 32 CHICAGO APP FOR BREAKING NEWS ALERTS
A school resource officer who arrested the students found a 9mm handgun in one of their backpacks, police said. Authorities placed the school on a "soft lockdown" while they determined there was no other threat.
Hoffman Estates High School | Google Maps
The juvenile with the gun was charged with unlawful possession of a weapon on school grounds, unlawful possession of ammunition and disorderly conduct, police said.
The other two students were charged with disorderly conduct.
Sun-Times Media Wire contributed to this report.