Signs of a community in pain can be seen everywhere in La Loche, Sask., where four people were shot to death on Friday.

A 17-year-old boy has been charged with first-degree murder in all four homicides.

Our Lady of the Visitation Roman Catholic Church

Hundreds of people from La Loche and area were expected to gather at Our Lady of the Visitation Roman Catholic Church today. (Devin Heroux/CBC)

Premier Brad Wall and Assembly of First Nations Grand Chief Perry Bellegarde are scheduled to visit the northern community of about 3,000 today.

Hundreds were expected to gather at a local church this morning.

Candle outside La Loche Community School

Many candles are burning outside La Loche Community School in the northern community located on the eastern shore of Lac La Loche. (Matt Kruchak/CBC)

Outside the La Loche Community School where teacher's aide​ Marie Janvier, 21, and teacher Adam Wood, 35, were shot to death, mourners have left candles, a teddy bear and other items. The community is planning a candlelight vigil tonight to honour the four victims.

Candles at La Loche, Sask.

Candles were burning in the pre-dawn hours at La Loche, Sask., on Sunday. (Sylvain Bascaron/SRC)

Two brothers, Drayden Fontaine, 13, and Dayne Fontaine, 17, were found dead of gunshot wounds in a home in La Loche, RCMP said Saturday

Seven more people were wounded in the shootings.

On Sunday, more than 90 RCMP officers from Alberta, Saskatchewan and Manitoba were in the community.

Police presence in La Loche

Dozens of police officers from Saskatchewan, Alberta and Manitoba are in La Loche, Sask., today following shooting that left four dead and seven injured on Friday. (Sylvain Bascaron/SRC)