CBC News
Three teenagers have been charged after stabbing an Oakville high school, according to Halton police, while a warrant has been issued for an adult also wanted in connection with the incident.
Officers were first called to Garth Webb High School around 4 p.m. Wednesday after a fight broke out between a ‘group of youths’ in the lobby of the building, police said in a news release Thursday.
They found three injured 15-year-olds. Two had stab wounds to their bodies, while a third had a bloody nose, police said. All three were taken to hospital for treatment and have since been released.
The school was closed for several hours while police investigated.

A 15-year-old man was arrested at the school and charged with assault, police said. Another was arrested around 12:30 p.m. Thursday in the Merchants Gate and Third Line area of Oakville and faces a total of seven counts, including assault with a weapon, two counts of assault causing bodily harm and carrying a gun. concealed weapon.
Meanwhile, a 17-year-old man was arrested shortly after the initial incident, also in the Merchants Gate and Third Line area, and charged with assault.
A warrant has been issued for a 19-year-old man wanted on seven counts, including two counts each of assault and assault causing bodily harm.
All of the defendants are from Oakville, police said.
Anyone with information about the scuffle is asked to contact Halton Police or leave an anonymous tip to Crime Stoppers.