Possible mass overdose involving 18 prison staff, undisclosed number of inmates exposed to ‘unknown substance’
Several prison staff and inmates at a rural Illinois corrections center were hospitalized on Wednesday after exposure to an "unknown substance," which possibly caused a mass overdose, KTVI reported. According to officials, 18 employees from John A. Graham Correctional Center in Hillsboro were transported to local hospitals after becoming ill while responding to a "medical [...]