Move comes after an unarmed woman was shot and killed by a police officer last week
Both shot during what was end of family gathering; no arrests have been made.
Sam Lerch, 44, was installing new pole equipment in Romulus, Mich.
Suspect also fell; both in treatment at Mercy Health St. Vincent Medical Center.
Car struck 2 others and flipped several times.
It was not immediately known how many times the victims were shot or where they were struck.
Erie, Mich., native, 44, was not wearing a helmet.
Charged with two counts of rape over July 4 incident.
A prisoner had escaped through the same door in March, 2016
All events canceled Thursday at North Toledo venue.