US sees deadliest school shooting of 2021
美国发生2021年最严重的校园枪击案
A 15-year-old student opened fire at his Michigan high school on Tuesday, killing three teenagers and wounding eight other people before surrendering to police, authorities said, in what was the deadliest US school shooting so far in 2021.
美国当局表示,一名15岁的学生周二在其密歇根高中开枪,造成3名青少年死亡,8人受伤,之后他向警方自首,这是2021年迄今为止美国最致命的校园枪击案。