On November 30, a high school boy in the Midwestern United States shot a gun at a high school, killing three students and injuring eight.
The police are investigating the motivation of the boys by securing their identities.
At a high school in Oakland, Michigan, Midwest, police were informed that there was a gunfire on the afternoon of 30th local time and before dawn on December 1st Japan time.
According to local police, it was a 15-year-old boy who attended the high school who shot the gun, killing three men and women and injuring eight.
With a semi-automatic pistol, it seems that about 15 to 20 shots were shot, so police are investigating the motivation etc. by securing the identity of the boy student.
In response to the incident, President Biden expressed his condolences at a press conference, stating that "all communities are in shock."