A Utah high school is under lockdown while police investigate at least one stabbing and possibly more.

Police in Orem say they responded to the scene at Mountain View High School north of Provo at about 8 a.m. Tuesday.

KSL-TV reports that a suspect is in custody.

No details have been released about how many people were stabbed or the seriousness of any injuries.

It's not known if any students were involved.

Police say the school remains under lockdown until further notice.