At least five students and a teacher were injured when a homemade explosive device was unintentionally detonated in a classroom in the U.S. state of Michigan. RIA Novosti reports with reference to the local police.
The incident took place on March 8 in Newaygo county.
According to preliminary results of the investigation, a 16-year-old school student accidentally detonated the explosive device he brought to the educational institution. He received moderate injuries and was hospitalized.
Four more students received minor injuries and turned to a medical facility. The students were evacuated.
Investigation of the incident continues. Law enforcement agencies are finding out composition of the exploded device.