Propane-powered tools, combined with freezing weather and a lack of carbon monoxide monitors, caused the gas leak and subsequent hospitalizations at a Yale-leased construction site on Howe Street.
Workers Poisoned At Yale Construction Site newhavenindependent.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from newhavenindependent.org Daily Mail and Mail on Sunday newspapers.