WAUKESHA, Wis. - Gunshots were exchanged between a student and a school resource officer inside Waukesha South High School in Wisconsin, according to school officials.
The student brought the gun to school, school officials tell the Milwaukee Journal Sentinel.
The suspect is in custody and the building is safe and secure, according to the Waukesha Police Department.
The school went on lockdown at 10 a.m. CST, according to an email to parents from a district official. Students will be let out of school at 11:15 a.m.
The email said students were cleared from the hallway and in locked classrooms after a school resource officer received information that a student had a gun.
Police went to the classroom where the student who was suspected to have a gun.
"We appreciate all the quick response by the staff and students," the email said. "The safety and security of all students and staff are a top priority."
The district said it will provide more information later.
This is an isolated incident. We are not seeking anybody else we have no other persons of interest. We are in the investigative stage right now as the scene is stabilized
- WaukeshaPD (@WaukeshaPD) December 2, 2019
A student who said she was inside the school wrote in an email to the Milwaukee Journal Sentinel that students were put in a lockdown drill at 10 a.m.
"When that occurs we hide in the corners and turn off the lights and lock the doors. Minutes later we heard screaming and then heard 2 gunshots.
"They were right next to my classroom so we all went into shock even my teacher hid with us. We stayed down for like 20 minutes and the actual lockdown sound went out. Our police officer went on the speaker and said to stay on hold and we have been in the classroom ever since," the student wrote just after 11 a.m.
The school went on lockdown after that. Whittier Elementary School is also on lockdown.
Emergency radio traffic indicated a command post is being set up inside the school.
Police squad cars are blocking all the entrances at the high school and other streets around the school are shut down.
Parents are gathering outside the school.
An unnamed manager at the neighboring store said police told him the situation is under control, but he was not authorized to say anything more.
Contributing: Christopher Kuhagen, Jim Riccioli, Jesse Garza, Joe Taschler, Talis Shelbourne and Bill Glauber of the Milwaukee Journal Sentinel.
Follow the Milwaukee Journal Sentinel on Twitter: @journalsentinel
New House impeachment hearings targeting Trump: White House will not participate
'Bomb cyclone' storm hits Northeast: 50 million people under winter storm watches, advisories
This article originally appeared on Milwaukee Journal Sentinel: Waukesha South High School: Gunshots exchanged at Wisconsin school