Over 12 people were stabbed Tuesday on the campus of Lone Star Community College campus in Cypress, Texas, after a male suspect reportedly used a small knife, ran from building to building and randomly attacked individuals along the way.

The conditions of the victims are unclear, but four were taken by life flight for treatment, which indicates severe injuries. Twelve of the victims in all were hospitalized and two refused treatment.

Police got the initial report at 11:15 a.m. A suspect was reported on the campus with a knife and there were reports of multiple stab victims. The school was placed on lockdown. The length of the attack is unclear, but the suspect was reportedly taken down by a student. Police could not immediately verify that report.

More: 14 Injured in Knife Attack on Lone Star College Campus, Suspect Arrested