Local medical officers of health pen letter to Ontario's top doctor asking for mask mandates back

Dr. Kieran Moore, Ontario's chief medical officer of health makes his way to a press conference regarding the lifting of most mask mandates for indoor settings in Ontario at QueenÕs Park in Toronto on Wednesday, March 9, 2022. THE CANADIAN PRESS/Nathan Denette Dr. Kieran Moore, Ontario's chief medical officer of health makes his way to a press conference regarding the lifting of most mask mandates for indoor settings in Ontario at QueenÕs Park in Toronto on Wednesday, March 9, 2022. THE CANADIAN PRESS/Nathan Denette

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5 things to know for Tuesday, June 6, 2023

Officials warn 2023 is on track to be the worst fire season ever seen in Canada, smoke and haze makes air quality poor across the country, and the federal prison service is reconsidering its decision to move Paul Bernardo to a medium-security jail.