Several police departments and an ARCH helicopter were on the scene Saturday afternoon for an officer down in Chester.
The officer, Seth Buch, suffered a head injury while responding to a call of a subject experiencing mental health issues, according to a press release from Chester police.
Buch, 24, was taken to Saint Louis University Hospital, where he is being treated for a severe concussion, police said.
Buch received the injury while trying to arrest a 17-year-old from Chester. The juvenile was later arrested for aggravated battery and resisting a police officer.
Kristy D. Johnson, 18, and a 16-year-old, both from Chester, were also arrested for obstructing justice, police said.
Around 4:30 p.m., Chester police were dispatched to reports of an officer down in the area of Stacy Street and Spring Street, according to the Southern Illinois Fire Incidents Facebook page.
At around 5 p.m., Illinois State Police, Randolph County Sheriff’s Department and Chester, Steeleville, Sparta and Red Bud police departments were on the scene, according to the Facebook page.
A Medstar Ambulance and ARCH 4 helicopter were also dispatched.