02/14/2013 02:10 EST | Updated 04/16/2013 05:12 EDT

Lockdown ends at Brampton high school where 3 arrested

Peel Regional Police say a lockdown has ended at a high school in Brampton, Ont., where police arrested three suspects after a reported robbery outside on Thursday afternoon.

The suspects were seen entering the Central Peel Secondary School, Const. Thomas Ruttan told CBC News. Officers searched the school and located two suspects.

A third suspect was later arrested in the school as well.

Police are trying to determine if a weapon was involved.