Not sure if there were several such swimming pool incidents, but the one I recall in Uster, Switzerland, happened during business hours and 12 people were kille

Not sure if there were several such swimming pool incidents, but the one I recall in Uster, Switzerland, happened during business hours and 12 people were killed: https://www.latimes.com/archives/la-xpm-1985-05-10-mn-18105-story.html https://www.latimes.com/archives/la-xpm-1985-05-10-mn-18105-...