Teen injured in hammer attack outside school

(QMI Agency/CARMINE MARINELLI)

(QMI Agency/CARMINE MARINELLI)

Reuters

, Last Updated: 11:57 AM ET

A 16-year-old California student was in critical condition after a man three times his age allegedly struck him in the head with a hammer across the street from the victim's high school on Thursday, police said.

Gregory Richmond, 48, was arrested on suspicion of attempted murder after the attack at about 1:15 p.m. local time near Chino High School, in the Los Angeles-area city of some 80,000 residents, Chino Police Department officials said.

The student was airlifted to an area hospital, and the high school and a neighbouring elementary school for younger students were put on security lockdown.

Additional details such as a possible relationship between the man and the student, the motivation for the attack, and the extent of the 16-year-old's injuries were not immediately available, police said.

The school could not be reached for comment.


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