One person has been injured in a school shooting at an Ocala, Florida, high school, CNN reports. ABC affiliate WFTV 9 reports Forest High School is on lockdown. Authorities have asked residents to avoid the school, according to CNN.

Kevin Christian, a Marion Public Schools spokesman, said the injured student was shot in the ankle, according to CNN.

A Facebook post from the Marion County Sheriff's Office said, "Right now deputies have responded to a shooting at Forest High School. Suspect is in custody, at this time we have one person injured and they are being treated by medics. We are asking the citizens to avoid the area. Parents please stand by for further direction from the school on how to pick up your children."

The message continued, for parents: "Please do NOT come to Forest High School to pick up your children. The school board will be reuniting parents and students at the First Baptist Church of Ocala on Southeast Maricamp Road."

The Orlando Sentinel reports that Valerie Strong, a spokeswoman for the local sheriff's office, said the injured person was being treated by medics, but their condition is currently unknown. Deputies were searching the building for further threats.

This report may be updated as more information becomes available.

Related: What It's Like to Survive a School Shooting

Check this out: