Michigan student accidentally detonates homemade explosive device in classroom

A Michigan high school student accidentally detonated a homemade explosive device he brought to school Monday morning, injuring himself and four of his classmates, police said.

Officers from the Newaygo Police Department responded to Newaygo High School in west-central Michigan at 8:52 a.m. after a report of an explosion inside a classroom, state police said in a tweet. A preliminary investigation determined a 16-year-old student had accidentally detonated a homemade explosive device he brought to school, police said.