Canadians' holiday plans are being turned upside down, as Omicron fuels an explosion in COVID-19 cases, forcing provinces to ramp up restrictions. How Quebec changed rules hours after they kicked in, why the nationwide rush to get rapid antigen tests is causing frustration, and the fresh fears for residents and staff in long-term care homes. Plus, from boosters to symptoms, we take your Omicron questions to infectious diseases physician Dr. Anna Banerji. Chinese tennis star Peng Shuai resurfaces: what she's now saying about that sexual assault allegation against former Chinese vice premier Zhang Gaoli. And repairing history at the site of an infamous volcanic disaster: how Pompeii's ruins are being reconstructed by a robot.