Study finds links between air pollution and severity of COVID-19 infection in Ontario

People walk past a COVID-19 assessment centre outside a hospital in Toronto on Monday, April 4, 2022. THE CANADIAN PRESS/Nathan Denette People walk past a COVID-19 assessment centre outside a hospital in Toronto on Monday, April 4, 2022. THE CANADIAN PRESS/Nathan Denette

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Celebrations, protests take place on Canada Day in Ottawa

Thousands of people wearing red and white and waiving Canadian flags packed downtown Ottawa to celebrate Canada's 155th birthday on Friday, while groups of protesters popped up around Parliament Hill to protest COVID-19 vaccines and federal restrictions.