REUTERS
A gunman kills four people, including teacher and his two brothers, in Canada's worst high school shooting in a decade, according to The Daily Mail.
"This is every parent's worst nightmare," Canada’s Prime Minister Justin Trudeau said from Davos, Switzerland, The Daily Mail reported.
Trudeau confirmed that a suspect in a high school in Saskatchewan’s aboriginal community was in custody
Royal Canadian Mounted Police Chief Supt. Maureen Levy said the gunman was arrested outside the school but declined to release details about him.