A teen girl was stabbed by another girl outside the Aurora Science and Tech Middle School on Wednesday, suffering injuries severe enough to require hospitalization.

The incident began at about 1:23 p.m., when the two were involved in a heated argument outside on school property, the Aurora Police Department said on X Wednesday afternoon. The argument then escalated and one of the girls stabbed the other.

The girl was transported to the hospital with injuries considered to be serious but currently not life-threatening, a spokesperson for Aurora police confirmed Wednesday afternoon. The other girl who stabbed her was arrested.

Officers set up a secure perimeter around the middle school to conduct an investigation into the incident, police said.

Police could not initially confirm the ages of the girls nor the school they attend Wednesday afternoon, as Aurora Science and Tech Middle School and High School are located on the same campus, but noted they both seemed to be on the cusp of graduating middle school.

School officials could not immediately be reached for comment.