Lily JamaliNorth America Technology correspondent, San FranciscoReutersWarning - this story contains distressing content and discussion of suicideThe father of a Florida man is suing Google in the first wrongful death case in the US against the tech giant over alleged harms caused by its artificial intelligence (AI) tool Gemini.Joel Gavalas says that Google's flagship AI product fuelled a delusional spiral that prompted his 36-year old son, Jonathan, to kill himself last year.The lawsuit also a...