Nearly half of eligible Toronto residents have now received a fourth dose of COVID-19 vaccine

Syringes and vials of Pfizer-BioNTech COVID-19 vaccine are seen on a work surface during a drive through clinic at St. Lawrence College in Kingston, Ont., Saturday, Dec. 18, 2021. THE CANADIAN PRESS/Lars Hagberg Syringes and vials of Pfizer-BioNTech COVID-19 vaccine are seen on a work surface during a drive through clinic at St. Lawrence College in Kingston, Ont., Saturday, Dec. 18, 2021. THE CANADIAN PRESS/Lars Hagberg

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San Francisco will allow police to deploy robots that kill

Supervisors in San Francisco voted Tuesday to give city police the ability to use potentially lethal, remote-controlled robots in emergency situations -- following an emotionally charged debate that reflected divisions on the politically liberal board over support for law enforcement.