Mother who fought for change after son's tragic death dies in 'freak accident' An Ohio woman who became a safety advocate after her son was killed eight years ago in a trench collapse just died from a fire pit accident in her backyard, authorities said. Authorities responded to a Warren County home on the night of Monday, March 10, after reports of an out-of-control blaze, according to CBS affiliate WKRC, Fox affiliate WXIX and NBC affiliate WLWT. A neighbour told police he heard the sound of an explosion and found the victim,...