A stabbing at Foss High School in Tacoma left at least six people injured, including students, a security guard, and the suspect.

Emergency responders placed the school on lockdown and transported victims to hospitals, with four reported in critical condition.

Police detained the suspect, though their identity and motive remain under investigation.

Officials said the school was quickly secured and later used as a reunification site for students and parents, Fox News has reported.

The incident is being investigated as authorities work to determine what led to the violence.