Hamilton ‘black soot’ not expected to pose long-term risk, public health says

A “scheduling issue,” and not deepening political friction or American barbs at Canada’s military, is to blame for a U.S. Air Force demo team pulling out of the Canadian International Air Show in Toronto this weekend, organizers said. In a social media post earlier this week, organizers of “North America’s longest running air show” held each year on Toronto’s waterfront announced that the U.S. Air Force’s F-16 Viper Demonstration Team would no longer be participating in this year’s show. “Last-minute schedule changes are a reality of real time Air Show operations, and these decisions...