Toronto imposes new restrictions amid virus surge

Canada's biggest city has imposed new restrictions in the latest bid to curb coronavirus infections, with case numbers surging across North America even as US officials said vaccinations could be available within weeks. Encouraging results from several vaccine trials have raised hopes of a decisive shift in the battle against a disease that has claimed around 1.4 million lives worldwide in the last year. But seesawing restrictions and lockdowns in countries that successfully contained earlier outbreaks have highlighted the ongoing risk of contagion. Toronto banned private indoor gatherings and...