MONROE, Mich. — A blast that turned a vehicle along a Michigan street into a blackened shell and seriously injured an attorney and his two sons was the result of a car bomb, police said Wednesday. Emergency responders rushed to the site of the Tuesday evening explosion near a highway underpass in Monroe, about 35 miles southwest of Detroit, the Monroe Police Department said. The vehicle's three occupants were taken to St. Vincent Medical Center in Toledo, Ohio, about 20 miles south of Monroe. They were listed in serious condition Wednesday. The blast came from a car bomb, Donald Dawkins,...