Four people have been charged in the death of a 5-year-old boy who was killed inside a pressurized oxygen chamber at a medical facility in suburban Detroit. Michigan’s attorney general says Thomas Cooper from Royal Oak, Michigan, was “incinerated” when the hyperbaric chamber exploded in January at the Oxford Center in Troy. The center's founder and three others were arrested Monday on charges including second-degree murder and voluntary manslaughter. Arraignments are scheduled Tuesday afternoon. A lawyer for one defendant told the AP he wants to remind everyone that "this was an accident, not an intentional act."

President Donald Trump's threat on Tuesday to double his planned tariffs on steel and aluminum from 25% to 50% for Canada led the provincial government of Ontario to suspend its planned surcharges on electricity sold to the United States.As a result, the White House trade adviser Peter Navarro said the U.S. president pulled back on his doubling of steel and aluminum tariffs, even as the federal government still plans to place a 25% tariff on all steel and aluminum imports starting Wednesday.

Ann Arbor Judge J. Cedric Simpson presided over two full days of preliminary exams for seven people charged with resisting arrest and trespassing at a May 21 police raid on an encampment created to call on the university to divest from companies with ties to Israel.

The Case Western – one of the first modern all-steel ships to sail the Great Lakes – broke apart and sank under mysterious conditions about 60 miles northwest of Whitefish Point in Lake Superior in 1892. 27 people perished in the wreck.