Canada’s long been seen as the peaceful northern neighbour of the United States.

And, lately, as a welcoming alternative to Donald Trump’s anti-immigrant moves in America.

But the relative calm’s been broken by the killing of six people as they prayed in a mosque in Quebec.

Prime Minister Justin Trudeau described the shooting as a ‘terrorist attack on Muslims.’

What does it mean for tolerance and diversity in this country?

Is it an isolated incident, or a sign of growing anti-Muslim anger?