Metrolinx announces new Hamilton-Waterloo bus, expanded weekend service to Toronto

A GO Train seen at the Kitchener station on Nov. 11, 2019. (Dan Lauckner / CTV Kitchener) A GO Train seen at the Kitchener station on Nov. 11, 2019. (Dan Lauckner / CTV Kitchener)

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Top AI CEOs, experts raise 'risk of extinction' from AI

Top artificial intelligence executives including OpenAI CEO Sam Altman on Tuesday joined experts and professors in raising the 'risk of extinction from AI,' which they urged policymakers to equate at par with risks posed by pandemics and nuclear war.