Topping Canadian newscasts this morning is Justin Trudeau's proposed crackdown on single-use plastics.
Another major story concerns the largest protest in Hong Kong in decades.
But Twitter followers appear to be more interested in the latest bombshell from Justin Bieber.
That's because the 25-year-old Canadian pop star has challenged 56-year-old actor Tom Cruise to a fight.
"Tom if you dont [sic] take this fight your [sic] scared and you will never live it down," the Biebs declared.
Here are just a few of the responses: