I just leave this here.Thank you, George Takei for sharing this.
This is a video, click the image, the video will play on Twitter.
Justin Trudeau kneels during anti-racism protest in Ottawa. Amazing. https://t.co/Ei2uTBkW8d— George Takei (@GeorgeTakei) June 5, 2020
And yes, the story is legitimate. This is Justin Trudeau, here are several reliable sources: