16-year-old accidentally detonates explosive in a Michigan High School ANI | Updated: Mar 09, 2021 15:11 IST Michigan [US], March 9 (ANI): A Michigan high school student on Monday morning (local time) accidentally detonated a homemade explosive device that he brought to school, injuring himself and four of his classmates, the Newaygo Police Department reported. According to CNN, an explosion took place at Newaygo High School in west-central Michigan at 8:52 a.m. inside the classroom. "Preliminary investigation determined a 16-year-old student had accidentally detonated a homemade explosive device he brought to school," the Michigan state police said in a tweet. The Police also said the device detonated in the classroom, injuring the 16-year-old and four additional classmates. Emergency Service arrived on the scene after the school administrative body dialed 911. "The school was immediately evacuated and students were transferred to the bus garage," the tweet read.