A 16-year-old boy allegedly shot his mother with a firearm and then killed two on-duty police officers before taking his own life in western Canada's Edmonton city on Thursday.

An Indigenous group in western Canada says it has discovered evidence of possible unmarked graves and a piece of a child's jawbone in the premises of a former residential school.

Indigenous protesters and allies disrupted Canada's Prime Minister Justin Trudeau's speech at the COP15 biodiversity summit.

“We weren't there to disrupt the city residents,” trucker Brigitte Belton has said. "We were there to be heard."

Canadian Prime Minister Justin Trudeau is set to testify at a public inquiry on Friday in defense of his government’s use of wartime measures in suppressing trucker protests that paralyzed the capital city earlier this year.

Chinese President Xi Jinping rebuked Canadian Prime Minister Justin Trudeau for leaking details of their closed-door meeting at the G20 summit in Bali, highlighting the frosty relationship between the two leaders.

Trudeau’s post, despite being immediately dismissed as false by several Twitter users, remained up for more than 11 hours and was shared thousands of times before it was deleted.