Sean Garner's dog had to be shot 10 times by police after attacking his elderly neighbour.
The company's claim the AI tool can outperform humans at some hacking and cyber-security tasks has sparked fears in the financial world.
Manchester City manager Pep Guardiola says he enjoys watching Arsenal play as he can "learn a lot" from them.
South Yorkshire Police say a woman in her 30s has been arrested following Nyla May Bradshaw's death.
The former US ambassador was given a security clearance despite concerns being raised during checks.