Chestermere house fire that killed 7 people deemed not suspicious A house fire that killed seven people, including four children, in Chestermere, Alta., at the start of July has been deemed "non-suspicious" by investigators. Social Sharing CBC News · Posted: Jul 12, 2021 4:18 PM MT | Last Updated: July 12 The cause of the fire has not been determined but a preliminary investigation does not indicate criminal activity, according to RCMP.(Jeff McIntosh/The Canadian Press)