<P> By Thursday, July 27, sufficient order had returned to the city that officers withdrew ammunition from the National Guardsmen stationed in the riot area and ordered them to sheath their bayonets . Troop withdrawal began on Friday, July 28, the day of the last major fire in the riot . The Army troops were completely withdrawn by Saturday, July 29 . </P> <P> The Detroit riot was a catalyst to violence elsewhere as the riot spread from the city into adjoining suburbs and to other areas of Michigan . Minimal rioting was reported in Highland Park and River Rouge, a heavier police presence was required after a bomb threat was phoned in to an E.J. Korvette store in Southgate and very minimal violence was reported in Hamtramck . The state deployed National Guardsmen or state police to other Michigan cities as simultaneous riots erupted in Pontiac, Flint, Saginaw, and Grand Rapids, as well as in Toledo and Lima, Ohio; New York City and Rochester, New York; Cambridge, Maryland; Englewood, New Jersey; Houston, Texas; and Tucson, Arizona . Disturbances were reported in more than two dozen cities . </P> <P> In Detroit, an estimated 10,000 people participated in the riots, with an estimated 100,000 gathering to watch . Thirty - six hours later, 43 were dead, 33 of whom were black and 10 white . More than 7,200 people were arrested, most of them black . Mayor Jerome Cavanagh lamented upon surveying the damage, "Today we stand amidst the ashes of our hopes . We hoped against hope that what we had been doing was enough to prevent a riot . It was not enough ." </P> <P> Over the period of five days, the damage and human loss are calculated as follows: </P>

Who was the mayor during the detroit riots