Two students at a Memphis high school were detained after an explosive device went off on the school's campus and required a staff member to receive medical attention, the Commercial Appeal reported.
The explosives were placed on two floors of the school and the school was evacuated, the report said.
Emergency crews are at Craigmont High School and transported the injured teacher to a local hospital, MyFoxMemphis.com reported. No students were injured.
The two detained students were both 18.