(CNN) -- [Breaking news update at 2:20 p.m. EST Monday]
Of the two killed in Monday morning's shooting at a Nevada middle school, one was a staff member at the school, and the other "appears to be a student/suspect in this case," Washoe County School District Police Chief Mike Mieras said. Two students were injured, he said. One underwent surgery, and the other is "doing well," he said.
[Breaking news update at 1:58 p.m. EST Monday]
A 13-year-old student told the Reno Gazette Journal that a student fired a shot at a teacher at a Nevada middle school on Monday. "The student was pointing a gun at the teacher after the teacher told him to put it down, and the student fired a shot at the teacher, and the teacher fell, and everybody ran away," the student said.
[Original story, posted at 1:37 p.m. EST Monday]
Two people were killed in a shooting at Nevada middle school Monday, CNN affiliate KOLO reported, citing officials.
Two minors are in critical condition at Renown Regional Medical Center, a hospital spokeswoman said.
The incident occurred at Sparks Middle School outside Reno, Nevada, Commander Rocky Triplett of the Sparks Police Department said.
Authorities believe "the suspect has been neutralized," police said on their website.
Authorities said students were being taken to a nearby school to meet their parents.