Six aboard missing Hamilton-based air ambulance now presumed dead, Transportation Safety Board to lead investigation CTV NewsU.S. Coast Guard identifies all six aboard missing Canadian air ambulance Global News‘Heartbreaking reality’: Crew, passengers of downed medical transport jet are likely dead, company says CBC6 occupants aboard missing Ontario air ambulance identified; TSB to lead probe CP24Mother and son from Bermuda named as passengers on missing medical flight from Bermuda to Boston CityNews Toronto