CHESTERFIELD COUNTY, Va. -- One student was taken into custody and another student suffered serious, but non-life threatening injuries after a knife attack in the band room at Manchester High School in Midlothian. The school remains on lock down following the violent incident.

"There was an isolated incident between two students who knew each other. There was an altercation. It did involve a knife," Chesterfield Schools spokesman Shawn Smith said while providing the media with an update at about 11:20 a.m.

The student taken into custody by Chesterfield Police has not yet been publicly identified nor charged with a crime.

"It's still very early on the investigation," Chesterfield Police Capt. Mike Louth said. "We have a lot of work left to do quite honestly."

Police, fire and emergency crews were called to the school on Bailey Bridge Road at about 9 :30 a.m.

"We continue to ask for prayers for the school here and for the family and for the student that was injured," Chesterfield Fire and EMS spokesman Lt. Jason Elmore said.

Police have blocked off front entrance of the school. Concerned parents on scene too. Very tense. @CBS6 pic.twitter.com/lmf21d47XW — Jake Burns (@JakeBurnsCBS6) October 13, 2014

Parents were asked to not call nor come by the school, per "normal lock down protocols." Parents who arrived at the school to directed to nearby Clover Hill Assembly of God.

Prayers go out to the boy at Manchester today🙏 I don't understand why people do the things they do — Morgan Woods (@morganwoods57) October 13, 2014

"We realize this is certainly an anxious time for parents," Smith said. "As the school comes off lock down we realize there will be some parents who will comes to seek their child. We're working through a process now to make that very orderly."

This is a developing story.