04/15/2014 12:51 EDT | Updated 06/15/2014 05:59 EDT

Student stabbed at Toronto-area school; 3 male teens arrested

BRAMPTON, Ont. - Police say a stabbing at a Toronto-area high school sent a 17-year-old male student to hospital with non-life-threatening injuries.

Peel Region police say two more students — 16- and 17-year-old boys — were arrested at the time.

Police said on Tuesday evening that another 16-year-old boy who was being sought was also in custody.

Const. Fiona Thivierge says police were called to St. Roch Catholic Secondary School in Brampton, Ont., just before 11:30 a.m. and promptly placed it under lockdown.

The lockdown ended after police determined the third suspect is not in the school.

And hold and secures were ended at other area schools.