Between four and six people were injured Tuesday in a shooting at the Oxford high school in Michigan, according to the Oakland Sheriff's Office.
The suspect, who had a gun, has been arrested.
So far there are no fatalities, according to local authorities.
The school was closed this Tuesday due to the emergency situation, according to local media ClickonDetroit.
"At this time it is still an active scene. We have multiple patrol units and multiple Emergency Medical Services units on the scene along with SWAT and the Aviation Unit," the Oakland Sheriff's Office said in a statement.