The weapon, a small automatic that wasn’t fully loaded, was in a bag of some sort and placed in a planter, said Lt. Jeff Cavanaugh of the sheriff’s Pico Rivera Station.“We were called by the school. There was a rumor floating around that somebody at school had a firearm,” he said. “Somehow they found out there was a gun on campus.”He said a school employee saw several individuals hanging around an area of the school. They began to disperse but were stopped.He said these kids were in the school office when deputies arrived. Deputies searched this area and found the gun.“We are very proud that a courageous student came forward and reported this incident. We are committed to a safe learning environment for all of our students and will not tolerate any behavior that puts that in jeopardy,” said principal Monica Sena.A letter will be sent home today, according to district spokeswoman Anne Turner.School officials also said that the district is moving forward with an expulsion hearing and the boy won’t return to Edwards Middle School.Lisa Mata-Uribe, 40, who has an eighth-grade son at Edwards Middle School called the district Thursday to ask what was going on with the incident because her son had called her to say there was a kid with a gun on campus.She said she was told by Franco that there will be no additional security on campus today because it’s being treated as an isolated incident.“It’s a good thing I have a good relationship with my son, and that he got home and called me immediately about this,” Mata-Uribe said. “But it may not be like that for all Edwards parents, and that’s what I’m most concerned about.”“I’m not happy, and I’m not comfortable, but unfortunately I guess he’s going to have to go to school tomorrow,” she added.“There are kids who aren’t going to go to school tomorrow and this is the excuse they’re going to give.”She said she knows it’s short notice, but thinks something should have gone out Thursday to the email@example.com(562) 698-0955, Ext. 3026160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set! Deputies don’t know yet the reason why he brought a gun to the school at 6812 S. Norwalk Blvd.Another student who heard the teen mention the gun he hid reported the incident to school officials, according to a statement released by Whittier City School District.No one was injured. All students were kept in their classrooms and dismissed two minutes late as a safety precaution, said Superintendent Carmella Franco in the statement.“We are viewing this as an isolated incident and the staff will be extra vigilant,” she said.Deputies found the gun at about 2 p.m. WHITTIER- Deputies arrested an 8th grader at Katherine Edwards Middle School on Thursday for allegedly bringing a loaded gun on campus and hiding it in a planter.The 14-year-old Whittier boy was arrested on suspicion of being a minor in possession of a firearm, a minor in possession of ammunition and for bringing a gun to school, said Sgt. Sal Munoz of the sheriff’s Operation Safe Streets Bureau, which is the department’s gang unit.He said OSS is exploring the possibility that gangs could be involved in the incident. He didn’t say if the teen has ties to gangs.The teen was taken to Los Padrinos Juvenile Hall in Downey and will appear in juvenile court Monday, Munoz said.