A teenager's appeared in court after a secondary school in Sheffield was put into lockdown
Three people were injured during the incident
A teenager has appeared in court accused of attempting to cause grievous bodily harm after three people were injured at a secondary school in Sheffield.
The 17-year-old boy, who cannot be named for legal reasons, was arrested following reports of an incident involving a "sharp object" at Birley Academy earlier this month which prompted the school to go into lockdown.
Two women in their 20s and a child suffered minor injuries that did not require hospital treatment, South Yorkshire Police said at the time.
The 17-year-old is also charged with possession of a blade or sharply pointed article on a school premises.
The teenager appeared at Sheffield Crown Court on Friday via videolink.
He spoke to confirm his name and to confirm to Judge Jeremy Richardson KC that he understood what was happening in court.
No pleas were entered.
The defendant was told he will appear again at the same court on July 12 and a provisional trial date was set for August 5.
Birley Academy was placed into lockdown during the incident on May 1, with many parents rushing to the gates to try to collect their children.
Officers said all three alleged victims were checked over by paramedics at the scene and the child had "no visible injuries".