Photos: Canada school shooting

Police investigate a house Saturday, Jan. 23, 2016 where two people were killed Friday before the shooting at the La Loche, Saskatchewan, junior and senior high school.

The outside of La Loche Community School is shown on Friday Jan. 22, 2016. Prime Minister Justin Trudeau said the shootings occurred at a high school and another location but did not say where else.

The outside of La Loche Community School is shown on Friday Jan. 22, 2016.

The outside of La Loche Community School is shown on Friday Jan. 22, 2016.

Police investigate the scene of a daytime shooting at the La Loche, Saskatchewan, junior and senior high school on Saturday, Jan. 23, 2016. The shooting left four people dead.

Police investigate the scene of a daytime shooting at the La Loche, Saskatchewan, junior and senior high school on Saturday, Jan. 23, 2016.

Police tape surrounds a shattered window at the scene of a daytime shooting at the La Loche, Saskatchewan, junior and senior high school on Saturday, Jan. 23, 2016.

Candles and flowers placed as a memorial lay near the La Loche, Saskatchewan, junior and senior high school on Saturday, Jan. 23, 2016. The shooting occurred Friday.

A man holds a rosary as police investigate the scene of a shooting at the community school in La Loche, on Saturday, Jan. 23, 2016. The shooting occurred Friday.