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Toronto's board of health asked the city's top doctor Tuesday to consider reinstating mask mandates amid a surge in viral illnesses that's sending children to hospital at alarming rates.

TORONTO — Vague promises by banks and businesses to reach net-zero emissions decades in the future risk undermining action needed now, Canada's former environment minister told a UN climate conference Tuesday.

TORONTO — Students were back in classrooms Tuesday as Ontario education workers returned to the bargaining table with the government to discuss an offer the premier described as "improved," though both sides remained far apart.

TORONTO — Some of the most active companies traded Tuesday on the Toronto Stock Exchange: Toronto Stock Exchange (19,660.31, up 114.40 points): Enbridge Inc. (TSX:ENB). Energy. Up eight cents, or 0.15 per cent, to $53.91 on 15.7 million shares.

TORONTO — Canada's main stock index was up more than 100 points Tuesday, buoyed by strength in base metals and utilities, while U.S. markets were also up. The S&P/TSX composite index was up 114.40 points at 19,660.31.

MISSISSAUGA, Ont. — Maple Leaf Foods Inc. is still working to restore operations after being hit by a cyberattack over the weekend, the company said Tuesday.

TORONTO — A new survey suggests that trust in mainstream news is dropping as younger Canadians seek out alternative sources of information.

The University of Waterloo is reinstating a mask requirement for classes, saying Tuesday that it was making the move to avoid potential disruption to the exam season as cases of respiratory illnesses rise.

TORONTO — Justin Trudeau is swinging by the "werkroom" on an upcoming spinoff of "Canada's Drag Race." Producers of the drag queen competition series say the Prime Minister will make a special appearance on "Canada's Drag Race: Canada vs. the World.

OSHAWA, Ont. — A Canadian gymnastics coach has been charged with sexual assault and sexual exploitation.