By Rachel Russell
BBC News
A 17-year-old boy has been charged with three counts of attempting to cause grievous bodily harm following an incident at a school in Sheffield.
The teenager, who cannot be named for legal reasons, was arrested on Wednesday after reports of an incident involving a sharp object at Birley Academy.
Two women in their 20s and a child received minor injuries.
The boy is due to appear before Sheffield Magistrates' Court on Friday.
He has also been charged with possession of a blade or sharply pointed article on a school premises.