This is the first I have ever heard of that. My mom was born in Detroit in 1917. My dad moved there to work in 1929. I don't ever recall them mentioning those events. My mom moved out to the suburb of Plymouth in 1983 after my father died. It's too late to ask now. Mom died last year. If I can remember to, I'll have to ask a couple of aunts if they have any recollections.
I was in grade school during the '67 riots and half way through high school when they started talking about busing kids.
https://en.wikipedia.org/wiki/Detroit_race_riot_of_1943
https://en.wikipedia.org/wiki/1967_Detroit_riot