Overview
- Prosecutors charged the teenager with two counts of attempted murder, unlawfully administering a noxious substance, and possessing a knife on school premises.
- He is due to appear at Westminster Magistrates' Youth Court on Thursday as the investigation progresses.
- Police said the two victims, aged 12 and 13, remain in hospital in a stable condition with injuries described as serious but not life-threatening.
- Officers recovered a weapon and continue to analyse devices and take dozens of witness statements to establish the circumstances.
- Witnesses have reported the suspect may be a former pupil who wore a school uniform to enter the site, with some accounts saying he climbed a wall to gain access.